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Measurement and Instrumentation

Measurement and Instrumentation
Which wave has the least form factor?

Rectangular wave
Triangular wave
Sine wave
Square wave

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Measurement and Instrumentation
The moving coil-meters, damping is provided by

 the aluminium frame of the coil.
 eddy current disk.
 damping vane in the airtight chamber.
 the coil spring attached to the moving.

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Measurement and Instrumentation
Ampere is one of the

Base units
Units used to measure charge
Supplementary units
Derived units

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Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

 25 mA.
  40 mA.
 80 mA.
 50 mA.

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Measurement and Instrumentation
The EMF of Weston standard cell is measured using

Moving- iron meter
Moving-coil meter
Potentiometer
Digital Volt meter

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Measurement and Instrumentation
In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is

 0.8 mm/Ω
 5.0 mm/Ω
 0.4 mm/Ω
 2.5 mm/Ω

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MORE MCQ ON Measurement and Instrumentation

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