Question Detail

PHY 102 Last Minute Prep Objective Question

Question

Suppose I have a uniform electric field within a parallel plate capacitor with field strength E = 41 N/C. The plates are 0.5 m in length and 0.001 m in width, and the space between the plates is 1.5 cm. What is the voltage difference?
Options
A 0.475V
B 5.5V
C 0.615V
Correct Answer
D 2.05V
Correct Answer

Option C is the correct answer.

Detailed Explanation

V = E × d = 41 × 0.015 = 0.615V. The area of the plates is not needed to find the voltage difference.

Hint

Voltage = Electric field × distance between plates.

Question Info