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Standard XII
Physics
Effects of Dielectrics in Capacitors
Question

A parallel plate capacitor off C is charged with a battery of emf V volts. A dielectric slab of dielectric constant K is placed between the plates to fully occupy the space. The battery remains connected The new electrostatic force of attraction between the plates 'F' is related with initial force F as

A
$$K^{2}F$$
B
$$\dfrac{F}{K}$$
C
$$KF$$
D
$$F$$
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Solution
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Correct option is A. $$K^{2}F$$

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