Electro Magnetic Induction And Alternating Currents Question 13

Question: A resistance of 300 W and an inductance of 1π henry are connected in series to a ac voltage of 20 volts and 200 Hz frequency. The phase angle between the voltage and current is [Roorkee 1980]

Options:

A) tan143

B) tan134

C) tan132

D) tan125

Show Answer

Answer:

Correct Answer: A

Solution:

Phase angle tanφ=ωLR=2π×200300×1π=43
,φ=tan143



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