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Measurement and Instrumentation

Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have

Logarithmic scale
Exponential scale
Linear scale
Square-law scale

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Measurement and Instrumentation
When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is

 high.
 ideally zero.
 small.
 very high.

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Measurement and Instrumentation
Which instrument has identical calibration for ac as well as dc values?

Moving coil type
Induction type
Hot wire type
Moving iron type

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Measurement and Instrumentation
The internal resistance of an ammeter should be

Infinity
Medium
High
Very small

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Measurement and Instrumentation
When checked with an ohm meter an open resistor reads

  infinite.
  low but not zero.
  zero.
  high but within tolerance.

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Measurement and Instrumentation
Which one of the following meters has maximum loading effect on the circuit under measurement ?

 1000 Ω/volt
 100 Ω/volt
 1 MΩ/volt
 10 MΩ/volt

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MORE MCQ ON Measurement and Instrumentation

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