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Measurement and Instrumentation

Measurement and Instrumentation
PMMC Instrument can be used for

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

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Measurement and Instrumentation
The material of the shunt should have _______ temperature co-efficient of resistance.

Negligible
None of the listed here
Negative
Positive

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Measurement and Instrumentation
To the y input of a CRO a signal defined by 10sin100t is applied. To the x input the signal 10cos100t is fed. The gain for both x-channel and y-channel is the same. The screen shows

 an ellipse.
 sinisoidal.
 a straight line.
  a circle.

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

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

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Measurement and Instrumentation
Magnetic deflection is inversely proportional to

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

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Measurement and Instrumentation
Resistance of a VARISTOR varies with

 Current
 Temperature
 Both Voltage and Temperature
 Voltage

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MORE MCQ ON Measurement and Instrumentation

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