ECE :: Measurements and Instrumentation
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LVDT is a
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A 0-200 V voltmeter has an accuracy of 0.75% of full scale reading. If voltage measured is 100 V, the error is
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In Schering bridge, the potential of detector above earth potential is about
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Which of the following instruments has non-linear scale?
- Moving coil instrument
- Moving iron instrument
- Electrostatic instrument
- Rectifier instrument
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The power input and output in a device are 3650 W and 3385 W with each reading in doubt by ± 10 W. The percentage uncertainty in losses is
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A meter coil has a resistance of 100 Ω and a full scale deflection current of 10 mA. To convert it into a voltmeter of 0-200 V range, the series resistance should be
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Which of these has a magnetic brake?
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Two numbers are 131 ± 5 and 629 ± 3. The sum of the numbers with range of doubt is
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Assertion (A): Schering bridge is a low voltage bridge.
Reason (R): Schering bridge is very commonly used for measurement of capacitance.
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