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Electric Potential Solutions Library

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42 solutions

Electric Potential

Q. Two points, point 1 and point 2, are located inside a region with an electric field pointing to the left, as shown in the figure. Part (a) If a pro...

Solved • Jul 20, 2020

Electric Potential

Q. A single point charge in vacuum has imaginary equipotential surfaces around it which are spherical due to the symmetry of the situation. Assume we ...

Solved • Jul 17, 2020

Electric Potential

Q. What is the electric potential at the point indicated with the dot in the figure? (Figure 1)Express your answer using two significant figures.

Solved • Jul 15, 2020

Electric Potential

Q. The figure is a graph of Ex. The potential at the origin is -300 V.What is the potential at x = 3.0 m?

Solved • Jul 10, 2020

Electric Potential

Q. A disk with radius R has uniform surface charge density σ.By regarding the disk as a series of thin concentric rings, the electric potential V at a...

Solved • Jul 10, 2020

Electric Potential

Q. What is the electric potential at the point indicated with the dot in the figure below? Suppose that q = 1.4 nC. 

Solved • Jun 2, 2020

Electric Potential

Q. Pictured on the right are thee point charges Q1 = 21.4 μC, Q2 = -30.6 μC, and Q3 = 57.3 μC arranged according to the figure on the right. Calculat...

Solved • Jun 2, 2020

Electric Potential

Q. Two point charges q1 = 2.00 nC and q2 = -6.20 nC are 0.100 m apart. Point A is midway between them; point B is 0.080 m from q1 and 0.060 m from q2 ...

Solved • Jun 2, 2020

Electric Potential

Q. A hollow spherical conductor, carrying a net charge +Q, has inner radius r1 and outer radius r2=2r1 (see the figure (Figure 1)). At the center of t...

Solved • Jun 2, 2020

Electric Potential

Q. 5 V battery with metal wires attached to each end.What are the potential differences ΔV12=V2−V1, ΔV23=V3−V2, ΔV34=V4−V3, and ΔV41=V1−V4?

Solved • May 26, 2020

Electric Potential

Q. In the diagram below, there are two charges of +q and - q and six points (a through f) at various distances from the two charges (figure 1) You wil...

Solved • May 26, 2020

Electric Potential

Q. Three point charges are arranged at the corners of a square of side L as shown in (Figure 1) What is the potential at the fourth corner (point A)? ...

Solved • May 21, 2020

Electric Potential

Q. A proton has an initial speed of 3.9 × 105 m/s.What potential difference is required to bring the proton to rest?_____ kV

Solved • May 19, 2020

Electric Potential

Q. A -10.0nC point charge and a +20.0nC point charge are 15.0cm apart on the x-axis.a) What is the magnitude of the electric field at the point on the...

Solved • May 4, 2020

Electric Potential

Q. a) Which direction (clockwise or counterclockwise) does conventional current travel through the wire in the figure to the right? Explain. b) At whi...

Solved • Apr 30, 2020

Electric Potential

Q. a. What is the potential difference ΔVAB?b. What is the potential difference ΔVBC?

Solved • Apr 30, 2020

Electric Potential

Q. The figure shows a thin rod with charge Q that has been bent into a semicircle of radius R.Find an expression for the electric potential at the cen...

Solved • Apr 29, 2020

Electric Potential

Q. A 2.0mm -diameter ball bearing has 5.0 x 109 excess electrons. What is the ball bearing's potential?

Solved • Apr 28, 2020

Electric Potential

Q. a. Which point, A or B, has a larger electric potentialb. What is the potential difference between A and B? Assume that E=1500V/m

Solved • Apr 24, 2020

Electric Potential

Q. A point charge is released from rest in a region containing an electric field. The charge will start to move: (A) in a direction that makes its pot...

Solved • Apr 23, 2020

Electric Potential

Q. What is the potential difference VAB = VA − VB between points A and B?Express your answer in terms of some or all of E, x1, y1, x2, and y2.

Solved • Apr 22, 2020

Electric Potential

Q. The two halves of the rod in the figure are uniformly charged to plus/minus Q as shown.What is the electric potential at the point indicated by the...

Solved • Apr 22, 2020

Electric Potential

Q. A positive and negative charge are shown in (Figure 1) .At which numbered position (or positions) is the electric potential zero?

Solved • Apr 21, 2020

Electric Potential

Q. a. What is the electric potential at points A, B, and C in the figure?b. What is the potential energy of an electron at point A in the figure?c. Wh...

Solved • Apr 14, 2020

Electric Potential

Q. Two stationary positive point charges, charge 1 of magnitude 3.90 nC and charge 2 of magnitude 1.80 nC, are separated by a distance of 46.0 cm. An ...

Solved • Apr 10, 2020

Electric Potential

Q. A -3.0 nC charge is on the x-axis at x = -9 cm and a +4.0 nC charge is on the x-axis at x = 15 cm. At what point or points on the y-axis is the ele...

Solved • Apr 8, 2020

Electric Potential

Q. It takes 4.0 μJ of work to move a 19 nC charge from point A to B. It takes -6.5 μJ of work to move the charge from C to B. What is the potential di...

Solved • Apr 8, 2020

Electric Potential

Q. Suppose you have a fixed charge of -15.0 nC at point X. Points A and B are at distances of 20.0 cm and 40.0 cm from X as shown. Calculate the follo...

Solved • Apr 7, 2020

Electric Potential

Q. a) If a proton moved from a location with 5.0v potential to a location with 7.5v potential, would its potential energy increase or decrease? b) If ...

Solved • Apr 7, 2020

Electric Potential

Q. A 1.50 mm-diameter glass bead is positively charged. The potential difference between a point 1.50 mm from the bead and a point 3.60 mm from the be...

Solved • Apr 7, 2020

Electric Potential

Q. The electric potential at a point that is halfway between two identical charged particles is 300 V. What is the potential at a point that is 25% of...

Solved • Mar 10, 2020

Electric Potential

Q. What is the electric potential at the point indicated with the dot in the figure? Express your answer to two significant figures and include the ap...

Solved • Mar 10, 2020

Electric Potential

Q. Two charged spherical conductors are connected by a long conducting wire. A total charge of q > 0 is placed on this combination of two spheres. ...

Solved • Jun 27, 2017

Electric Potential

Q. Three point charges are held on the circumference of a circle of radius 20 cm as shown in the figure. Assume that the electric potential is defined...

Solved • May 29, 2017

Electric Potential

Q. Three charges of magnitude |q| = 3.0 x 10-9C are placed along the circumference of a circle with radius R = 1.0m. A charge +q lies at x = -R, a cha...

Solved • Apr 28, 2017

Electric Potential

Q. Consider a square with sides L = 48cm and two negative charges Q = - 2.5 μC placed on the corners labeled with Q in the figure. What is the electri...

Solved • Jan 13, 2017

Electric Potential

Q. Two particles, with charges of 20.0 nC and -20.0 nC, are located at the points with coordinates (0, 4.00 cm) and (0, -4.00 cm), as shown in the fig...

Solved • Jan 6, 2017

Electric Potential

Q. Let: V = 0 at infinity. Three charges are arranged in the (x, y) plane (as shown in the figure below, where the scale is in meters). Find the elect...

Solved • Jan 3, 2017

Electric Potential

Q. Which statement below, describing an electrostatic situation of a conductor, is  NOT correct? A) The electric field within a conductor is zero. B...

Solved • Dec 27, 2016

Electric Potential

Q. Two particles, with charges of 20.0 nC and –20.0 nC, are located at the points with coordinates (0, 4.00 cm) and (0, – 4.00 cm), as shown in the fi...

Solved • Dec 27, 2016

Electric Potential

Q. A sphere with radius 2.0 mm carries a 2.0 μC charge. What is the potential difference, VB - VA, between point B 4.0 m from the center of the sphere...

Solved • Dec 26, 2016

Electric Potential

Q. A 4.0-μC charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x = 4.0 m and y = -4.0 m bec...

Solved • Dec 22, 2016