Electro Magnetic Induction And Alternating Currents Question 50

Question: In a series LCR circuit, resistance R=10Ω and the impedance Z=20Ω. The phase difference between the current and the voltage is [KCET (Engg./Med.) 1999]

Options:

A) 30o

B) 45o

C) 60o

D) 90o

Show Answer

Answer:

Correct Answer: B

Solution:

cos⁡φ=RZ=1020=12,⇒,φ=60o

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