Magnetic Effects Of Current Question 93
Question: A current of 2 amp. flows in a long, straight wire of radius 2 mm. The intensity of magnetic field on the axis of the wire is [MP PET 2001]
Options:
A) $ ( \frac{{\mu_{o}}}{\pi } )\times 10^{3} $ Tesla
B) $ ( \frac{{\mu_{o}}}{2\pi } )\times 10^{3} $ Tesla
C) $ ( \frac{2{\mu_{o}}}{\pi } )\times 10^{3} $ Tesla
D) Zero
Show Answer
Answer:
Correct Answer: D
Solution:
Magnetic field on the axis of conductor is zero.
BETA
