Ronan Asked :
Q. Instantaneous power is negative, when the polarities of voltage and current are of __________
A. opposite sign
B. same sign
C. voltage is zero
D. current is zero
Dapzoi

Commented on 2021-05-31
Answer: A
Explanation: Instantaneous power is negative, when voltage and current have opposite sign that is if voltage is positive, the current is negative and if current is positive, the voltage is negative.
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