The plates of parallel plate capacitor are charged upto\[100\ V\]. A\[ – McqOptions

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1.	The plates of parallel plate capacitor are charged upto\[100\ V\]. A\[2mm\] thick plate is inserted between the plates. Then to maintain the same potential difference, the distance between the plates is increased by\[1.6\ mm\]. The dielectric constant of the plate is [MP PMT 1991]
A.	5
B.	1.25
C.	4
D.	2.5
Answer» B. 1.25

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