Magnetic Effects Of Current Question 53
Question: A long copper tube of inner radius R carries a current i. The magnetic field B inside the tube is [MP PMT 1995]
Options:
A) $ \frac{{\mu_{0}}i}{2\pi R} $
B) $ \frac{{\mu_{0}}i}{4\pi R} $
C) $ \frac{{\mu_{0}}i}{2R} $
D) Zero
Show Answer
Answer:
Correct Answer: D
Solution:
Magnetic field inside the hollow conductor (tube) is zero.