Electronic measurements and instrumentation miscellaneous
- The resistance of a thermistor:
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The resistance of a thermistor decreases with the increase of temperature, since the thermister have negative temperature coefficient.
Correct Option: B
The resistance of a thermistor decreases with the increase of temperature, since the thermister have negative temperature coefficient.
- The accurate ammeter must have a resistance of:
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The accurate ammeter must have a resistance of very low value.
Correct Option: A
The accurate ammeter must have a resistance of very low value.
- A shunt resistance in a current meter is a resistance connected:
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A shunt resistance in a current meter is a resistance connected across the meter to increase its range.
Correct Option: B
A shunt resistance in a current meter is a resistance connected across the meter to increase its range.
- The multiplier and the meter movement in a voltmeter are always in:
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The multiplier and the meter movement in a voltmeter are always in series-parallel.
Correct Option: D
The multiplier and the meter movement in a voltmeter are always in series-parallel.
- The internal resistance of a voltmeter should be very high in order to have:
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The internal resistance of a voltmeter should be very high in order to have minimum current through the meter.
Correct Option: C
The internal resistance of a voltmeter should be very high in order to have minimum current through the meter.
