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Combining Resistors in Series & Parallel Solutions Library

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73 solutions

Combining Resistors in Series & Parallel

Q. For the circuit shown in the figure, I = 0.50 A and R = 12 Ω. What is the value of the emf ε?

Solved • Feb 10, 2021

Combining Resistors in Series & Parallel

Q. Consider the circuit with three identical light bulbs shown. What will happen to the brightness of bulbs a and c if bulb b is unscrewed? a. Both bu...

Solved • Feb 4, 2021

Combining Resistors in Series & Parallel

Q. From lowest to highest, rank the overall value of the resistance across the circuit from the point labeled j to the point labeled k. a. A, B, C b. ...

Solved • Feb 3, 2021

Combining Resistors in Series & Parallel

Q. Two resistors in a circuit are connected in series. R1 has a value of 10 ohms, and R2 has a value of 15 ohms. The equivalent resistance of the two ...

Solved • Feb 3, 2021

Combining Resistors in Series & Parallel

Q. A 4-ohm and 6-ohm resistor wired in parallel have an equivalent resistance of a. 2.4 ohms b. 5 ohms c. 5.5 ohms d. 4 ohms e. 10 ohms

Solved • Feb 3, 2021

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance between points a and b in the figure(Figure 1) ? Figure is 31.22 in picture.

Solved • Jan 18, 2021

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance between points a and b in the figure below, in which R1 = 4 and R2 = 8 ?

Solved • Dec 21, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown in the figure below. (Let R = 18.0 Ω).(a) Find the current in the 18.0-Ω resistor. (b) Find the potential difference bet...

Solved • Nov 3, 2020

Combining Resistors in Series & Parallel

Q. When unequal resistors are connected in parallel in a circuit,A.the largest resistance has the largest current through it.B.the power generated in ...

Solved • Oct 12, 2020

Combining Resistors in Series & Parallel

Q. What is the current through the 4.00-Ω resistor at the bottom given that the equivalent resistance for the entire circuit is 2.00Ω?

Solved • Sep 30, 2020

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance between points a and b in the figure? (Figure 1)Please show work.

Solved • Sep 22, 2020

Combining Resistors in Series & Parallel

Q. 1. For the combination of resistors shown, find the equivalent resistance between points A and B.Express your answer in Ohms.2. If the circuit is, ...

Solved • Sep 22, 2020

Combining Resistors in Series & Parallel

Q. In the circuit of Fig. E26.15, each resistor represents a light bulb. Let R1 = R2 = R3 = 4.50 Ω and ε = 9.00 V. (a) What is the current in each of ...

Solved • Aug 28, 2020

Combining Resistors in Series & Parallel

Q. Two resistors in SeriesConsider the setup shown of two ideal ohmic resistors. (Figure 1).Resistor 1 has resistance R1, and resistor 2 has resistanc...

Solved • Jul 24, 2020

Combining Resistors in Series & Parallel

Q. What is the net resistance of the circuit connected to the battery in (Figure 1) ?Express your answer in terms of R.

Solved • Jul 17, 2020

Combining Resistors in Series & Parallel

Q. Find the equivalent resistance between points A and B for the group of resistors shown in the figure(Figure 1). Suppose R1 = 78 Ω , R2 = 57 Ω , and...

Solved • Jul 17, 2020

Combining Resistors in Series & Parallel

Q. Consider the network of four resistors shown in the diagram, where R1 = 2.00? , R2 = 5.00? , R3 = 1.00? , and R4 = 7.00? . The resistors are connec...

Solved • Jul 16, 2020

Combining Resistors in Series & Parallel

Q. (a) Consider the network of four resistors shown in the diagram, where R1 = 2.00 Ω, R2 = 5.00 Ω, R3 = 1.00 Ω, and R4 = 7.00 Ω. The resistors are co...

Solved • Jul 16, 2020

Combining Resistors in Series & Parallel

Q. In the figure, three resistors are connected to a voltage source so that R2 and R3 are in parallel with one another and that combination is in seri...

Solved • Jul 16, 2020

Combining Resistors in Series & Parallel

Q. When unequal resistors are connected in series across an ideal battery,a) the same power is dissipated in each one.b) the potential difference acro...

Solved • Jul 16, 2020

Combining Resistors in Series & Parallel

Q. You have a collection of six 1.0 kΩ resistors.What is the smallest resistance you can make by combining them?

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Use the model for electric current to rank the networks shown below in order according to resistance. Explain your reasoning. 

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Consider the network of four resistors shown in the diagram, where R1 = 2.00Ω , R2 = 5.00Ω , R3 = 1.00Ω , and R4 = 7.00Ω . The resistors are connec...

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Consider the five networks shown at right.a. Rank the networks according to equivalent resistance, from largest to smallest. (Hint: Imagine placing...

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown in (Figure 1). Suppose that R = 70 Ω. What is the equivalent resistance between points a and b?

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Which one of the following is a correct statement for a number of resistors connected in series or parallel?a) The flow of current is different thr...

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. Consider the sections of two circuits illustrated above. Select True or False for all statements.1. After connecting a and b to a battery, (a) the ...

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. For the circuit shown in the figure, find the current through resistor R3 =6.0 Ω (the top one) and the potential difference across resistor R3=6.0 Ω

Solved • Jul 14, 2020

Combining Resistors in Series & Parallel

Q. When a bulb is added in parallel to a circuit with a single bulb, the resistance of the circuit: A. remains the same B. decreases C. increases D. t...

Solved • Jul 13, 2020

Combining Resistors in Series & Parallel

Q. In the circuit shown in the figure, all the resistors are rated at a maximum power of 1.20 W.What is the maximum emf that the battery can have with...

Solved • Jul 13, 2020

Combining Resistors in Series & Parallel

Q. Find the equivalent resistance of the circuit shown in the figure. Assume that V = 14.5 V, R1 = 9.86 Ω, R2 = 3.25 Ω, R3 = 3.93 Ω, R4 = 3.86 Ω and R...

Solved • Jul 13, 2020

Combining Resistors in Series & Parallel

Q. You have a collection of six 2.1 kΩ resistors. What is the smallest resistance you can make by combining them? Express your answer with the appropr...

Solved • Jul 13, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown below. Suppose four resistors in this circuit have the values of R1 = 13 Ω, R2 = 7.5 Ω, R3 = 7.7 Ω and R4 = 10 Ω, and th...

Solved • Jul 13, 2020

Combining Resistors in Series & Parallel

Q. In the circuit at right, what is the potential at each of the noted points?

Solved • Jul 6, 2020

Combining Resistors in Series & Parallel

Q. In the circuit at right, the battery has a voltage of 6.0 V, and the two resistors have resistance 20 Ω each.(a) What is the current in the circuit...

Solved • Jul 6, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown in (Figure 1) . Suppose that ε = 25V. What is the current through the battery when the switch is closed?

Solved • Jul 3, 2020

Combining Resistors in Series & Parallel

Q. Three identical resistors have an equivalent resistance of 30 Ω when connected in parallel. What is their equivalent resistance when connected in s...

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. (Figure 1) shows three identical bulbs in a circuit. What happens to the brightness of bulb A if you replace bulb B with a short circuit?A. Bulb A'...

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown in (Figure 1) . Suppose that ε = 25V. What is the current through the battery when the switch is open?

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. 1. Find the current through resistor a) in the figure. (Figure 1) Express your answer to two significant figures and include the appropriate units....

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. Which of these statements is true about resistors connected in series? a) The potential drop across each resistor will be the same. b) The same amo...

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. What is the value of resistor R in the figure below, in which I = 8 A and ΔV = 34 V?

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. Find the equivalent resistance of the combination of resistors shown in the figure.

Solved • Jun 2, 2020

Combining Resistors in Series & Parallel

Q. For the set-up shown, find the equivalent resistance between points A and B. 

Solved • Jun 1, 2020

Combining Resistors in Series & Parallel

Q. For the set-up shown, find the equivalent resistance between points A and B. 

Solved • Jun 1, 2020

Combining Resistors in Series & Parallel

Q. For the set-up shown, find the equivalent resistance between points A and B. 

Solved • Jun 1, 2020

Combining Resistors in Series & Parallel

Q. A) What is the emf of the battery in the figure ?B) What is the internal resistance of the battery in the figure?

Solved • May 26, 2020

Combining Resistors in Series & Parallel

Q. (a) Determine the equivalent resistance of the circuit shown in the figure. Express your answer to three significant figures and include the approp...

Solved • May 21, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit shown in (Figure 1).What is the current through the battery? Express your answer to two significant figures and include the ap...

Solved • May 21, 2020

Combining Resistors in Series & Parallel

Q. For the set-up shown, find the equivalent resistance between points A and B. 

Solved • May 21, 2020

Combining Resistors in Series & Parallel

Q. Suppose that R = 70 Ω.What is the equivalent resistance between the points a and b in Figure 1? Express your answer with the appropriate units.Rab ...

Solved • May 19, 2020

Combining Resistors in Series & Parallel

Q. What is the net resistance of the circuit connected to the battery in (Figure 1)?Express your answer in terms of R.

Solved • May 19, 2020

Combining Resistors in Series & Parallel

Q. It's possible to estimate the percentage of fat in the body by measuring the resistance of the upper leg rather than the upper arm; the calculation...

Solved • May 19, 2020

Combining Resistors in Series & Parallel

Q. In the figure, these three resistors are connected to a voltage source so that R2 = 5.75 Ω and R3 = 11.5 Ω are in parallel with one another and tha...

Solved • May 18, 2020

Combining Resistors in Series & Parallel

Q.  What is the equivalent resistance of each group of resistors shown in the figure below? In the figure, R1 = 2.0 Ω, R2 = 3.5 Ω, R3 = 8.0 Ω, R4 = 2....

Solved • May 18, 2020

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance of each group of resistors shown in the figure below? In the figure, R1 = 2.0 ?, R2 = 3.5?, R3 = 7.5 ?, and R4 = ...

Solved • May 18, 2020

Combining Resistors in Series & Parallel

Q. What is the value of resistor R in the figure below?A) 4.0 ΩB) 12 Ω   C) 36 ΩD) 72 ΩE) 96 Ω

Solved • May 13, 2020

Combining Resistors in Series & Parallel

Q. Both batteries in the figure are identical and all light bulbs are the same. Rank in order, from brightest to least bright, the brightness of bulbs...

Solved • Apr 28, 2020

Combining Resistors in Series & Parallel

Q. Find the equivalent resistance between points A and B in the drawing (R1 = 4.00, R2 = 8.00).

Solved • Apr 7, 2020

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance of group (a) of resistors shown in the figure?What is the equivalent resistance of group (b) of resistors shown i...

Solved • Mar 24, 2020

Combining Resistors in Series & Parallel

Q. What is the equivalent resistance between points a and b in the figure? (Figure 1) Please show work.

Solved • Mar 11, 2020

Combining Resistors in Series & Parallel

Q. (a) For the combination of resistors shown, find the equivalent resistance between points A and B. Express your answer in Ohms.(b) If the circuit i...

Solved • Mar 11, 2020

Combining Resistors in Series & Parallel

Q. Consider the circuit. What is the equivalent resistance between the points a and b ?

Solved • Jun 27, 2017

Combining Resistors in Series & Parallel

Q. The following diagram shows part of a closed electrical circuit. Find the electric resistance RXY of the part of the circuit shown between point X ...

Solved • Jun 27, 2017

Combining Resistors in Series & Parallel

Q. You have a battery supplying emf ε = 6V and negligible internal resistance. You also have three resistors with values R1 = 100 Ω, R2 = 200 Ω, and R...

Solved • Jan 20, 2017

Combining Resistors in Series & Parallel

Q. Four resistors are connected as shown in the figure to a battery with emf ε = 12 V    and internal resistance r = 0.4Ω. What is (i) the current I f...

Solved • Jan 13, 2017

Combining Resistors in Series & Parallel

Q. In the figure, consider the circuit sketched. The battery has emf ε = 80 volts and negligible internal resistance. The four resistors have resistan...

Solved • Jan 10, 2017

Combining Resistors in Series & Parallel

Q. Consider the circuit of resistors below.  Determine the equivalent resistance between points A and B. 

Solved • Jan 9, 2017

Combining Resistors in Series & Parallel

Q. Each of the resistors in the circuit shown in the figure below has a resistance of 160.0 Ω. What is the equivalent resistance of the circuit? A) 1...

Solved • Jan 6, 2017

Combining Resistors in Series & Parallel

Q. For the network of resistors shown in the figure, find the equivalent resistance between A and B.

Solved • Jan 6, 2017

Combining Resistors in Series & Parallel

Q. The resistors in the circuit shown in Figure 1 each have a resistance of 700 Ω.Find (a) the equivalent resistance of the circuit and (b) the curren...

Solved • Dec 26, 2016

Combining Resistors in Series & Parallel

Q. Four resistors are connected as shown in the figure to a battery with emf ε = 12 V   and internal resistance r = 0.4Ω. What is the equivalent resis...

Solved • Dec 21, 2016

Combining Resistors in Series & Parallel

Q. Four resistors of values 2.0Ω, 4.0Ω, 3.0Ω and  9.0Ω are connected across a DC source with voltage V as shown in the figure. If the total current th...

Solved • Dec 19, 2016