JEE Main 2023 Physics question

For a moving coil galvanometer, the deflection in the coil is 0.05 rad when a current of 10 mA is passed through it. If the torsional constant of suspension wire is N m , the magnetic field is 0.01 T and the number of turns in the coil is 200, the area of each turn (in ) is :

• (A)1.0Correct
• (B)0.5
• (C)2.0
• (D)1.5