1.

The capacity of a parallel plate condenser is \[10\,\mu \,F\], when the distance between its plates is 8 cm. If the distance between the plates is reduced to 4 cm, then the capacity of this parallel plate condenser will be   [CBSE PMT 2001]

A.            \[5\,\mu \,F\]
B.            \[10\,\mu \,F\]
C.            \[20\,\mu \,F\]
D.            \[40\,\mu \,F\]
Answer» D.            \[40\,\mu \,F\]


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