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A parallel plate capacitor of capaci...

A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20 V . If a dielectric material of dielectric constant `k = (5)/(3) ` is inserted between the plates , the magnitude of the induced charge will be

A

`2.4 nC`

B

`0.9 nC`

C

`1.2 nC`

D

`0.2nC`

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