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MHT CET20192 May 2019Morning ShiftPhysicsCurrent ElectricityActual

In moving coil galvanometer, strong horse shoe magnet of concave shaped pole pieces is used to

Options

  1. Aincrease space for rotation of coil
  2. Breduce weight of galvanometer
  3. Cproduce magnetic field which is parallel to plane of coil at any position
  4. Dmake magnetic induction weakat the centre

Correct answer

C. produce magnetic field which is parallel to plane of coil at any position

Step-by-step solution

Inside galvanometer τ → = M → × B → = M B s i n θ To make θ = 90 o ; Horse shoe magnet is used

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