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Measurement and Instrumentation

Measurement and Instrumentation
PMMC Instrument can be used for

Both AC and DC
None of the listed here
DC work only
AC work only

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Measurement and Instrumentation
For measurement of mutual inductance we can use

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

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Measurement and Instrumentation
A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of

 Resistance of connecting leads.
 Thermoelectric emfs.
 Contact resistance.
 All of above.

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

All of the listed here
Gravity
Eddy currents
Spring

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Measurement and Instrumentation
The form factor in AC is the ratio of

Rms value to peak value
Peak value to average value
Peak value to rms value
Rms value to average value

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Measurement and Instrumentation
Unit of deflection sensitivity of a CRO is

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

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MORE MCQ ON Measurement and Instrumentation

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