Q.

A dielectric slab is inserted between the plates of a capacitor. The charge on the capacitor is Q and the magnitude of the induced charge on each surface of the dielectric is Q’

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a

Q’ must be larger than Q.

b

Q’ must be equal to Q.

c

Q’ may be larger than Q

d

Q’ must be smaller than Q.

answer is D.

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Detailed Solution

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Q'=Q1-1 K

Since, K>1 for all dielectrics 

Q'<Q Always 

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