Galvanometer Multiple Choice Questions with Answers – PDF Download

MCQ 1: In order to increase the range of ammeter, the value of shunt resistance R_s is:

1. increased
2. decreased
3. remain
4. both a and b

MCQ 2: The device used to measure the potential difference between two points in volts is known as:

1. ohmmeter
2. odometer
3. ammeter
4. voltmeter

MCQ 3: A galvanometer of 50 Ω gives full scale deflection with 2 mA current. To convert it into ammeter, the range of 10 A is connected with it, the shunt resistance should be:

1. 0.1 Ω
2. 0.2 Ω
3. 0.01 Ω
4. 0.02 Ω

MCQ 4: Electric instrument used to measure current in amperes is known as:

1. ammeter
2. voltmeter
3. ohm meter
4. odometer

MCQ 5: In moving coil galvanometer, the pole faces of U-shaped magnet are made concave:

1. to make the field radial
2. to increase the field
3. to weaken field
4. both a and b