A parallel plate capacitor of capacitance \( 90 \mathrm{pF} \) is P connected to a battery of em...

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A parallel plate capacitor of capacitance \( 90 \mathrm{pF} \) is
P
connected to a battery of emf \( 20 \mathrm{~V} \). If a dielectric
W
material of dielectric constant \( K=\frac{5}{3} \) is inserted between the plates, the magnitude of the induced charge will be :
(A) \( 0.9 \mathrm{nC} \)
(B) \( 1.2 \mathrm{nC} \)
(C) \( 0.3 \mathrm{nC} \)
(D) \( 2.4 \mathrm{nC} \)
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