Question

In a pure inductive circuit, current

• A. lags behind emf by $\frac{\pi }{2}$
• B. leads the emf by $\frac{\pi }{2}$
• C. lags behind by $\pi$
• D. leads the emf by $\pi$

Answer 1

Answer: (A)

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