Electro Magnetic Induction And Alternating Currents Question 172
Question: 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 $ 3,\Omega $ , the phase difference between the applied voltage and the current in the circuit is
Options:
A) $ \pi /6 $
B) $ \pi /4 $
C) $ \pi /2 $
D) zero
Show Answer
Answer:
Correct Answer: B
Solution:
- The phase difference $ \phi $ is given by $ \tan ,\phi =\frac{X_{L}}{R}=\frac{3}{3}=1\Rightarrow \phi =\frac{\pi }{4} $
