Electro Magnetic Induction And Alternating Currents Question 25

Question: The power factor of a good choke coil is [MP PMT 1994]

Options:

A) Nearly zero

B) Exactly zero

C) Nearly one

D) Exactly one

Show Answer

Answer:

Correct Answer: A

Solution:

cosφ=RZ . In choke coil φ90 so cosφ0



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