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COMEDK2017PhysicsMagnetic Properties of Matter

A tangent galvanometer has a reduction factor of 1 ~A and it is placed with the plane of its coil perpendicular to the magnetic meridian. The deflection produced when a current of I A is passed through it is

Options

  1. A60^
  2. B45^
  3. C30^
  4. DNone of these

Correct answer

B. 45^

Step-by-step solution

The deflection in a tangent galvanometer is given by = I K where, K= reduction factor Here, K=1 ~A , I=1 ~A = 1 1 =1 =45^

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