If a capacitor C having selectivity factor Q is scaled down in all its dimensions by a factor K without any altering the dielectric material, the new capacitor will have capacitance and selectivity as

Correct Answer: , Q

Explanation:

Since the dimension of plates is scaled down by K, the area decreases by a factor of K², the distance between plates decreases by a factor of K.

Therefore, capacitance changes to .

The selectivity will not be affected.

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