There is a \[5\Omega \] resistance in an ac, circuit. Inductance of 0.1H is connected with it in series. If equation of ac e.m.f. is \[5\sin 50t\] then the phase difference between current and e.m.f. is [RPET 2003]

• A.            \[\frac{\pi }{2}\]      
• B.            \[\frac{\pi }{6}\]
• C.            \[\frac{\pi }{4}\]      
• D.            0