Question

A 2 – gram object, located in a region of uniform electric field $\vec{E}=(300\ N\ C^{-1})\hat{i}$ carries a charge Q. The object released from rest at x = 0 , has a kinetic energy of 0.12 J at x = 0.5 m. Then Q is

• A. 400 μc
• B. -400 μc
• C. 800 μc
• D. -800 μc

Answer 1

Answer: (C)

800 μc

Answer 2

The correct answer is (C) : 800 μc.