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Capacitors - Technical MCQs

Q1:

The quantity that represents an ideal capacitor dissipating 0 W of power is

A instantaneous power

B true power

C reactive power

D resistive power

ANS:B - true power

As with any reactive circuit, the power alternates between positive and negative instantaneous values over time. In a purely reactive circuit that alternation between positive and negative power is equally divided, resulting in a net power dissipation of zero.