Class 12PhysicsMagnetism and MatterMagnetic Equipment's (Tangent galvanometer, Vibration magnetometer and Neutral point)
EasyWhich of the following statements is not true?
- AWhile taking readings of a 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.
- CMeasurements with the tangent galvanometer will be more accurate when the deflection is around $45^\circ$.
- D$A$ tangent galvanometer cannot be used in the polar region.
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