Question

In a pure inductive circuit, current:

• A. lags behind emf by $ \pi /2 $
• B. leads the emf by $ \pi /2 $
• C. lags behind by $ \pi $
• D. leads the emf by $ \pi $
• E. lags behind the emf by $ \pi /4 $

Answer 1

Answer: (A)

In a pure inductive circuit, current lags behind the emf by $ \pi /2 $ or $ 90{}^\circ $ .