In an a.c. circuit, \(v = 50\sin \left( {\omega t + 60^\circ } \right) – McqOptions

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1.	In an a.c. circuit, \(v = 50\sin \left( {\omega t + 60^\circ } \right),\;i = 10{\rm{cos}}\left( {\omega t} \right)\) then the power factor of a.c. circuit will be:
A.	0.5 lag
B.	0.5 lead
C.	0.866 lag
D.	0.866 lead
Answer» E.

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