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Measurement and Instrumentation

Measurement and Instrumentation
Which meter is suitable for the measurement of 10mV at 50MHz?

Moving iron voltmeter
Moving coil voltmeter
VTVM
CRO

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Measurement and Instrumentation
The calibration of a voltmeter can be carried out by using

 An ammeter.
 A function generator.
 A frequency meter.
  A potentiometer.

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

All of the listed here
Spring
Eddy currents
Gravity

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

 (Voltage)-0.5.
 Voltage.
 (Voltage)1.5.
 (Voltage)2.

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

 Temperature
 Force
 Impulse
 Pressure

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Measurement and Instrumentation
Wagner earthing device is used to eliminate errors due to

Electrostatic coupling
Both A and B
Electromagnetic coupling
None of these

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