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Measurement and Instrumentation

Measurement and Instrumentation
An current of is measured with a thermocouple, 5 A full scale meter. What is the meter reading?

 2 A.
 5 A.
  3 A.
 2+3√2 A.

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Measurement and Instrumentation
A 10MHz CRO has

5MHz sweep
10MHz vertical oscillator
10MHz horizontal oscillator
10MHz supply frequency

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Measurement and Instrumentation
For measuring an AC voltage by an AC potentiometer it is desirable that the supply for the potentiometer is taken from

 The same source as the unknown voltage.
 A source other than the source of unknown voltage.
 Any of above.
 A battery.

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Measurement and Instrumentation
The disc of an instrument using eddy current damping should be of

Non conducting and magnetic material
None of the listed here
Conducting and non magnetic material
Conducting and magnetic material

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Measurement and Instrumentation
The ratio of change in output to the change in the input is called

 repeatability
 resolution
 precision
 sensitivity

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Measurement and Instrumentation
Schering bridge is used to measure which of the following?

 Frequency.
 Inductance.
 Resistance.
  Capacitance.

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