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Measurement and Instrumentation

Measurement and Instrumentation
The material of the shunt should have _______ temperature co-efficient of resistance.

None of the listed here
Positive
Negligible
Negative

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

  Capacitance.
 Frequency.
 Inductance.
 Resistance.

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Measurement and Instrumentation
A rectifier type instrument is connected to 100VDC and is operated in the DC measuring module reads

111V
90V
100V
50V

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Measurement and Instrumentation
A sampling wattmeter is used to measure the average power of a load. The peak to peak voltage of a square wave is 10 V and the current is triangular wave of 5 Amp P-P as shown in the figure. The period is 20 ms. The reading in W will be

 100 W.
 25 W.
 50 W.
  0 W.

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Measurement and Instrumentation
The thermocouple instruments do not have

High degree of measuring accuracy
High sensitivity
Absence of frequency error
Independence of ambient temperature

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Measurement and Instrumentation
For the AC bridge circuit shown in figure at balance the value of Rd will be

 (Rb/Rc).Ra.
 (Rc/Rb).Ra.
 (Rc/Ra).Rb.
 (Ra/Rc).Rb.

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