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Measurement and Instrumentation

Measurement and Instrumentation
Unit of deflection sensitivity of a CRO is

 meter / volt.
 mm / V.
 mm per mV.
 V / mm.

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Measurement and Instrumentation
Which of the quantity consists of SI unit as Candela?

 Force
 Velocity
 Luminous intensity
 Impulse

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Measurement and Instrumentation
One single phase wattmeter operating on 230V and 5A for 5 hours makes 1940 revolutions. Meter constant in revolutions is 400. What is the power factor of the land?

0.84
0.73
1
0.65

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Measurement and Instrumentation
The absolute measurement of resistance is done by

Ohm’s law method
Rayleigh method
Lorenz method
Bridge Method

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Measurement and Instrumentation
The range of a moving iron ac ammeter is extended by

A multiplier
A shunt
Changing number of turns of operating coil
None of the listed here

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Measurement and Instrumentation
In a ballistic galvanometer, the deflecting torque is proportional to

Square-root of current through coil
Sine of measured
Square of current through coil
The current through coil

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MORE MCQ ON Measurement and Instrumentation

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