Which of the following is not an integrating instrument?
A. Ampere-hour meter
B. Watt-hour meter
C. Voltmeter
D. All of the above
Show Answer
Answer: C
Explanation:-
Integrating Instruments: The instruments which add up the electrical quantity, i.e electrical energy and measure the total energy (in kilowatt hours) or the total Amper hours (in ampere-hours) supplied to a circuit in a given period are called integrating instruments.In such instruments, there are sets of dials or gears which register the total quantity of electricity or the total amount of electrical energy supplied to a circuit in a given period. Household energy meter is an integrating instrument. Ampere-hour meter another example of integrating instruments.
Recording Instrument: The recording instruments are those instruments which give a continuous record of the variations of the electrical quantity to be measured.
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