A parallel plate capacitor of capacitance 90 pF is connected to a battery of emf 20V.

Question:

A parallel plate capacitor of capacitance $90 \mathrm{pF}$ is connected to a battery of emf $20 \mathrm{~V}$. If a dielectric material of dielectric constant $\mathrm{K}=\frac{5}{3}$ is inserted between the plates, the magnitude of the induced charge will be:-

  1. 0.3 n C 

  2. 2.4 n C 

  3. 0.9 n C

  4. 1.2 n C


Correct Option: , 4

Solution:

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