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Measurement and Instrumentation

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

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

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

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

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Measurement and Instrumentation
In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is

 0.
 0.5.
 none of above.
 1.

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Measurement and Instrumentation
A 10MHz CRO has

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

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Measurement and Instrumentation
Which of the quantity consists of unit as Pascal ?

 Force
 Temperature
 Pressure
 Impulse

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Measurement and Instrumentation
Piezoelectronic accelerometer

 Should use a monitoring source at low input impedance.
 Should be used for low frequency.
 Has a low natural frequency.
 Should be used for high frequencies above 100 Hz.

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