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Measurement and Instrumentation

Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Schering bridge
Wein bridge
Any of the listed here
Modified De santy's bridge

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Measurement and Instrumentation
Which amplifier in used in an electronic amplifier?

 Differential amplifier.
 Butter amplifer.
 Wideband amplifier.
 Power amplifier.

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Measurement and Instrumentation
A thermometer having first order dynamics is subjected to a sudden temperature change of 30oc to 150oc. If it has he time constant of 5 sec, what temperature will be indicated by after 5 sec?

 30o.
 105.6o.
 150o.
 63.25o.

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Measurement and Instrumentation
A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt.

Flux meter
Ammeter
Ballastic galvanometer
Voltmeter

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 observational error.
 instrumental error.
 systematic error.

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Measurement and Instrumentation
Relative permittivity can be measured by _______ bridge

 Hays.
 Wheatstones.
 Desautys.
 Schering.

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