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Byju's Answer
Standard XII
Physics
Power in an AC Circuit
Current in th...
Question
Current in the circuit is wattless, if
A
Inductance in the circuit is zero
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B
Resistance in the circuit is zero
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C
Current is alternating
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D
Resistance and inductance both are zero
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Solution
The correct option is
B
Resistance in the circuit is zero
Because power
=
i
2
R
, if R = 0. then P = 0.
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