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Magnetism — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsMagnetism1 Mark
MCQ
Which of the following statement is not the true
  • ✓
    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 45
  • D
    A tangent galvanometer can not be used in the polar region
✓

Answer

Correct option: A.
While taking reading of tangent galvanometer, the plane of the coil must be set at right angles to the earth's magnetic meridian
(a) In tangent galvanometer experiment. The plane of the coil firstly set in the magnetic meridian.

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