Q.

Voltage and current in an ac circuit are given by V=5sin 100πt−π6  and  I=4sin 100πt+π6

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a

Voltage leads the current by 30o

b

Current leads the voltage by 30o

c

Current leads the voltage by 60o

d

Voltage leads the current by 60o

answer is C.

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Detailed Solution

Phase difference Δφ=φ2−φ1=π6−−π6=π3
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