Electro Magnetic Induction And Alternating Currents Question 68

Question: A coil of 200W resistance and 1.0 H inductance is connected to an ac source of frequency 200/2π,Hz. Phase angle between potential and current will be [MP PMT 2003]

Options:

A) 30o

B) 90o

C) 45o

D) 0o

Show Answer

Answer:

Correct Answer: C

Solution:

tanφ=XLR=2πνLR=2π×2002π×1200=1φ=45o



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