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The electric potential at 0.1m from a po...

The electric potential at 0.1m from a point charge is 50V. What is the magnitude of the charge?

Text Solution

Verified by Experts

Given, V=50V, r= 0.1m
Now, `V= (1)/(4pi epsi_(0)).(q)/(r )`
`rArr q= 4pi epsi_(0)Vr= (1)/(9 xx 10^(9)) xx 50 xx 0.1 = (5)/(9) xx 10^(-9)C`
`therefore = 0.55 nC`
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