A. make the deflection of the needle proportional to the current
B. increase the sensitivity of the galvanometer
C. decrease the magnetic flux produced by the magnet
D. make the permanent magnet stronger

Correct Answer:

Option B = increase the sensitivity of the galvanometer

Explanation

Sensitivity of a galvanometer increases when number of turns, area of coil and magnetic field increase

SEE ALSO  In a uniform electric field, the magnitude of the force on a charge of 0.2 C is 4N. Calculate the electric field intensity?

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