A hollow metallic sphere of radius 10cm is given a charge of 3.2×10−9C. The electric intensity at a point 4cm from the centre is
2.88NC−1
9×10−9NC−1
288NC−1
Zero
A
288NC−1
B
Zero
C
9×10−9NC−1
D
2.88NC−1
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Solution
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At any point inside the conductor, net electric field is zero.
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