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An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are both equal to 3Ω, the phase difference between the applied voltage and the current in the circuit is
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- π/6
- π/4
- π/2
- zero
Correct Option: B
The phase difference φ is given by
| tan φ = | ||
| R |
| = | 3 | = 1 ⇒ φ = | π |
| 3 | 4 |
