Electro Magnetic Induction And Alternating Currents Question 36

Question: In an ac circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be [MP PMT/PET 1998]

Options:

A) R4

B) R2

C) R

D) Cannot be found with the given data

Show Answer

Answer:

Correct Answer: C

Solution:

tanφ=XLR,,tan45o=XLR=1,,XL=R



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