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Q 1.28 (a) A conductor A with a cavity as shown in Figure a is given a charge Q. Show that the entire charge must appear on the outer surface of the conductor.
Answers (1)
We know that electric field inside a conductor is zero.
Using Gauss' law, if we draw any imaginary closed surface inside the solid, net charge must be zero.(Since E= 0 inside)
Hence there cannot be any charge inside the conductor and therefore, all charge must appear on the outer surface of the conductor.
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