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Measurement and Instrumentation

Measurement and Instrumentation
For measurement of high direct voltage, one would use _____ voltmeter.

Moving iron
Hot wire
Electrostatic
PMMC

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Measurement and Instrumentation
What is the approximate input impedance of a CRO?

 0
 100 MΩ
 1 MΩ
 10 MΩ

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Measurement and Instrumentation
In a moving iron meter, the deflecting torque is proportional to

Current through the coil
Sine of the measurand
Squareroot of the measurand
Square of the current through the coil

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Measurement and Instrumentation
A CRO can display

AC signals
Both AC and DC signals
DC signals
Time invariant signals

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Measurement and Instrumentation
For measurement of mutual inductance we can use

Maxwell's bridge
Any of the listed here
Heavyside bridge
Anderson bridge

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Measurement and Instrumentation
To measure the flux, devices used are based on

Voltaic effect
Photo-voltaic effect
Piezo-electric effect
Hall effect

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MORE MCQ ON Measurement and Instrumentation

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