Ammeter Multiple Choice Questions and Answers
21. An ammeter is a
A.Secondary instrument
B.Absolute instrument
C.Recording instrument
D.Integrating instrument
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A.Secondary instrument
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22. The function of shunt in an ammeter is to
A.By pass the current
B.Increase the sensitivity of the ammeter
C.Increase the resistance of ammeter
D.None of the above
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23. A mili-ammeter can be used as
A.An ammeter only
B.A voltmeter
C.Both voltmeter and ammeter
D.None of the above
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24. In an ammeter the shunt resistance usually ..... meter resistance
A.Equal to
B.Less than
C.Greater than
D.Of any value
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25. A very accurate voltmeter, when used to measure voltage across a low resistance, gives inaccurate reading because
A.The current drawn by the meter is too low
B.The higher scale has been selected
C.The sensitivity of the meter is too low
D.Any of the above
E.None of the above
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