Electrostatics Question 396

Question: What is the potential energy of the equal positive point charges of 1μC each held 1 m apart in air [AMU 1999]

Options:

A) 9×103J

B) 9×103eV

C) 2eV/m

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

By using U=9×109Q1Q2r

therefore U=9×109×106×1061=9×103J



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