Physics Solutions Library

Physics Solutions Library

Access over 6,979 Physics video and text solutions to help you complete your homework.

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6,979 solutions

Solving Resistor Circuits

Q. Four resistors of values 2Ω, 4Ω, 3Ω, and 9Ω are connected across an 8-V DC source as shown in Figure 1. What is the current through the 9-Ω resisto...

Solved • Dec 20, 2016

Parallel Plate Capacitors

Q. A parallel plate capacitor has plates with area A = 350cm2 separated by a distance d = 1.5mm. What is the capacitance when the capacitor is filled ...

Solved • Dec 20, 2016

Electric Field

Q. Two charged metal plates in vacuum are 0.15 m apart, with an electric field between the plates of E = 3000 N/C. A proton (q= +e = 1.6x10-19 C, m = ...

Solved • Dec 20, 2016

Gauss' Law

Q. A spherical surface completely surrounds two charges. Find the electric flux through the surface if the charges are +3.5x10-6 C and -2.3x10-6 C. 

Solved • Dec 20, 2016

Coulomb's Law (Electric Force)

Q. Find the magnitude and direction of the net electrostatic force on q 1 due to q 2 and q3 as shown in the figure. The charges are q 1 = +4.0 μC, q2 ...

Solved • Dec 20, 2016

Solving Resistor Circuits

Q. The current of the circuit in the 8 ohm resistor is 0.5 A. What is the current in the 2 ohm resistor? A) 2.25 A B) 0.75 A C) 4.5 A D) 9.5 A E)...

Solved • Dec 20, 2016

!! Electric Energy Conservation

Q. The potential difference between the two plates as shown in the figure is 100 V. What will be the speed of a proton released from plate B just befo...

Solved • Dec 20, 2016