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Measurement and Instrumentation

Measurement and Instrumentation
The dynamometer principle can be used for

 wattmeter only.
 ammeter only.
 ammeter, voltmeter and wattmeter.
 voltmeter only.

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Measurement and Instrumentation
The given figure shows wein bridge connection for frequency measurement. C and R are variables and gang together. For balanced condition the expression for frequency is f = 1/2πCR when

 R1 = 3R2.
 R1 = 2R2.
 R1 = R2/2.
 R1 = R2.

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Measurement and Instrumentation
Piezoelectric effect is carried out in

  composite filter.
  constant k prototype.
  crystal filter.
  m derived.

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Measurement and Instrumentation
A galvanometer with a full scale current of 10 mA has a resistance of 1000 Ω. The multiplying power (the ratio of measured current to galvanometer current) of 100 Ω shunt with this galvanometer is

 11.
 110.
 10.
 100.

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

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

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Conductor but magnetic
Non conductor and non magnetic
Conductor but non magnetic
Non conductor but magnetic

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MORE MCQ ON Measurement and Instrumentation

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