A wire is bent in a circle of radius 10cm.It is given a charge of 250micro coulomb.which spread on it uniformly.what is the electric potential at a centre.
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Answer:
r=10×10^-2m
q=250×10^-6c
V=1/4pieE * 250×10^-6/10^-1
=2250×10^4
=2.250×10^7
Explanation:
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