Magnetism Question 125

Question: Which of the following statement is not the true

[KCET (Engg./Med.) 2001]

Options:

A) While taking reading of tangent galvanometer, the plane of the coil must be set at right angles to the earth’s magnetic meridian

B) A short magnet is used in a tangent galvanometer since a long magnet would be heavy and may not easily move

C) Measurements with the tangent galvanometer will be more accurate when the deflection is around 45o

D) A tangent galvanometer cannot be used in the polar region

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Answer:

Correct Answer: A

Solution:

In tangent galvanometer experiment. The plane of the coil firstly set in the magnetic meridian.