Magnetic Effects Of Current Question 439

Question: A current carrying conductor placed in a magnetic field experiences maximum force when angle between current and magnetic field is

Options:

A) $ 3\pi /4 $

B) $ \pi /2 $

C) $ \pi /4 $

D) zero

Show Answer

Answer:

Correct Answer: C

Solution:

[b] $ F=iB1,\sin ,\theta $ . This is maximum when sin $ \theta =1 $ or $ \theta =\pi /2, $ .