When a dielectric is introduced between the plates of a condenser, the capacity of condenser :
A
increases
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B
decreases
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C
remains same
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D
none of these
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Solution
The correct option is A increases If the empty Condensor has capacity C, then its capacity with dielectric is given by C′=kC, where k is the dielectric constant of the dielectric material. k can never be less than 1.