1. The meter used for measuring electrical quantities are
a) Tachometer
b) Micrometer
c) Measuring instruments
d) Spherometer
ans. c
2. The meter used for electrical power is called
a) kWh meter
b) Voltmeter
c) Ammeter
d) Wattmeter
ans. d
3. The meter used for measuring potential difference of a circuit is called
a) voltmeter
b) ammeter
c) energy meter
d) ohm meter
ans. a
4. The meter used for measuring current of an electrical circuit is called
a) voltmeter
b) ammeter
c) potentiometer
d) multimeter
ans. b
5. The meter used for measuring electrical energy of consumer is called
a) wattmeter
b) ampere hour meter
c) kWh meter
d) avometer
ans. c
6. The essential requirement of measuring instrument is
a) deflecting torque
b) controlling torque
c) damping torque
d) all the above
ans. d
7. The deflecting torque can be produced by
a) gravity control
b) spring control
c) air friction
d) magnetically
ans. d
8. The controlling torque can be produced
a) electrostatically
b) thermally
c) by using hair spring
d) by fluid friction
ans. c
9. The damping torque can be produced by
a) eddy currents
b) gravity control
c) electrostatically
d) thermally
ans. a
10. Electrostatic effect for producing deflecting torque is used in
a) ammeters
b) voltmeters
c) wattmeters
d) energy meters
ans. b
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