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Measurement and Instrumentation

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

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

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Measurement and Instrumentation
The controlling torque of an indicating instrument ______ as the deflection of the moving system increases.

Decreases
None of the listed here
Remains same
Increases

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Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

 0.5 mA.
 10 mA.
 100 mA.
 1mA.

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Measurement and Instrumentation
In a megger controlling torque is provided by

Gravity
Coil
Spring
Eddy current

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Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

 0.01V
 0.05V
 0.25V
 0.01V

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Measurement and Instrumentation
Alternating current is measured by

Moving iron repulsion type voltmeter
Permanent magnet type ammeter
Induction ammeter
Electrostatic ammeter

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