Question

describe the principle of the construction and working of moving coil galvanometer​

Answer 1

I don't know the answer sorry mate

Answer 2

Principle: when a current carrying coil is placed in a magnetic field then it experiences a current dependent torque on it producing angular deflection

Radial magnetic field is ued to maintain the plane of the coil parallel to magnetic field to produse maximum torque

Soft iron core intensifies magnetic field and increases sensitivity of galvanometer

Torque=NIABsin♧

Note:at equilibrium,

Defelecting torque = restoring torque

NIAB=C♧

I hope this helps

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