Questions
A hollow metallic sphere of radius R is given a charge Q. Then the potential at the centre is
a
Zero
b
14πε0.QR
c
14πε0.2QR
d
14πε0.Q2R
detailed solution
Correct option is B
Potential V any where inside the hollow sphere, including the centre is V=14πε0QR.Talk to our academic expert!
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1000 small water drops each of radius r and charge q coalesce together to form one spherical drop. The potential of the big drop is larger than that of the smaller drop by a factor of
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