Electrostatics Question 702

Question: The number of electric lines of force that radiate outwards from one coulomb of charge in vacuum is

Options:

A) 1.13×1011

B) 1.13×1010

C) 0.61×1011

D) 0.61×109

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Here, q=1C,ε0=8.85×10−12C2N−1m−2

Number of lines of force=Electric force =qε0=18.85×10−12=1.13×1011

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