The two metallic plates of radius \[r\] are placed at a distance \[d\] – McqOptions

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1.	The two metallic plates of radius \[r\] are placed at a distance \[d\]apart and its capacity is \[C\]. If a plate of radius \[r/2\]and thickness \[d\] of dielectric constant 6 is placed between the plates of the condenser, then its capacity will be
A.	\[7C/2\]
B.	\[3C/7\]
C.	\[7C/3\]
D.	\[9C/4\]
Answer» E.

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