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Measurement and Instrumentation

Measurement and Instrumentation
Which wave has the least form factor?

Sine wave
Triangular wave
Rectangular wave
Square wave

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Measurement and Instrumentation
Which amplifier in used in an electronic amplifier?

 Wideband amplifier.
 Butter amplifer.
 Differential amplifier.
 Power amplifier.

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Measurement and Instrumentation
A multirange instrument has

Multirange meters inside the measurement system
Multiple shunt or series resistance inside the meter
Multicoil arrangement
Variable turns of coil

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Measurement and Instrumentation
A moving iron ammeter produces a full scale torque of 240 μNm with a deflection of 120° at a current of 10 A. The rate of change of self induction (μH/radian) of the instrument at full scale is

 4.8 μH/radian.
 114.6 μH/radian.
 12.0 μH/radian.
 2.0 μH/radian.

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Measurement and Instrumentation
Comparison methods are used

 because they are expensive.
 because they are most simple.
 when a high accuracy of measurement is required.
 because they take least time in measurement.

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Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

None of the listed here
5 A
0 A
2.5 A

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MORE MCQ ON Measurement and Instrumentation

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