The variation of the instantaneous current (I) and the instantaneous emf (E) in a circuit is as shown in fig. Which of the following statements is correct Options: A . &nbspThe voltage lags behind the current by Π2 B . &nbspThe voltage leads the current by Π2 C . &nbspThe voltage and the current are in phase D . &nbspThe voltage leads the current by Π

The variation of the instantaneous current (I) and the instantaneous emf (E) in

Question

The variation of the instantaneous current (I) and the instantaneous emf (E) in a circuit is as shown in fig. Which of the following statements is correct

Options:

A . The voltage lags behind the current by Π2

B . The voltage leads the current by Π2

C . The voltage and the current are in phase

D . The voltage leads the current by Π

Answer: Option B
:
B
At t = 0, phase of the voltage is zero, while phase of the current is

- \frac{π}{2}

i.e., voltage leads by

\frac{π}{2}

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