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Measurement and Instrumentation

Measurement and Instrumentation
The rectifier instrument is not free from

Temperature error
All of the listed here
Frequency error
Wave shape error

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Measurement and Instrumentation
The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is

 1 mA.
 3 mA.
 2 mA.
 4 mA.

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Measurement and Instrumentation
The household energymeter is

A recording instrument
An integrating instrument
None of the listed here
An indicating instrument

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

Square-law scale
Linear scale
Logarithmic scale
Exponential scale

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Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is

 31.4.
 20.
 25.4.
 54.2.

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Measurement and Instrumentation
Which wave has the least form factor?

Square wave
Rectangular wave
Sine wave
Triangular wave

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MORE MCQ ON Measurement and Instrumentation

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