Measuring MCQ - Electrician (Set-1) with Answers

Measuring MCQ - Electrician (Set-1) with Answers

31) Which of the electrical instruments have to be connected in the same manner for measurement ?

Answer is:

Voltmeter and frequency meter

32) Voltmeters of high internal resistance should be used for voltage measurements, in circuits of high resistance. The reason for this is to :

Answer is:

keep the measurement error small due to the internal consumption (voltage drop) of the meter

33) One screw is provided in M.C. instrument which is attached to the pointer. What for it is provided ?

Answer is:

To correct the zero position of the pointer

34) A voltmeter with a sensitivity of 1 kilo ohm per volt will have a resistance of _____ ohms at 50 V range.

Answer is:

50000

35) Electrical instruments may be classified based on _____ categories.

Answer is:

3

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10