Magnetism Question 83

Question: Time period in vibration magnetometer will be infinity at

Options:

A) Magnetic equator

B) Magnetic poles

C) Equator

D) At all places

Show Answer

Answer:

Correct Answer: B

Solution:

Time period in vibration magnetometer $ T=2\pi \sqrt{\frac{I}{MB _{H}}} $ , At poles $ B _{H}=0\ so\ T=\infty $