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Capacitors - Technical MCQs

Q1:

What is wrong with a leaky capacitor?

A It is open.

B It is shorted.

C The dielectric resistance has increased.

D The dielectric resistance has decreased.

ANS:D - The dielectric resistance has decreased.

A leaky capacitor has a poor dielectric which means that DC current could "leak" through the capacitor since the dielectric would have very low resistance.