question_answer

A coil has resistance \[30\,\,\Omega \] and inductive reactance \[20\,\,\Omega \] at 50 Hz frequency. If an AC source of 200 V, 100 Hz, is connected across the coil, the current in the coil will be                             [AIPMT (M) 2011]

A)  4.0 A  

B)       8.0 A  

C)  \[\frac{20}{\sqrt{12}}A\]          

D)       2.0 A