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Grade: 12

                        

state the working principle of a moving- coil galvano meter. draw its labelled diagram. Derive an expression for the deflection shown by the pointer in terms of current being passed throught it, number of turns of the coil and the magnetic field.

2 years ago

Answers : (1)

Arun
24742 Points
							
Dear Raza
 
Principle – When a current carrying coil is suspended in a uniform magnetic field it is acted upon by a torque. Under the action of this torque, the coil rotates and the deflection in thecoil in a moving coil galvanometer is directly proportional to the current flowing through the coil.
2 years ago
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