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Measurement and Instrumentation

Measurement and Instrumentation
How many fundamental units are there ?

 4
 6
 8
 7

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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

 2 mA.
 1 mA.
 4 mA.
 3 mA.

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Measurement and Instrumentation
Which one of the following units is a fundamental unit?

 Newton
 Watt
 Joule/sec
 Ampere

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

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

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Measurement and Instrumentation
Two voltmeters have the same range 0-400V. The internal impedance are 30,000 Ohms and 20,000 Ohms. If they are connected in series and 600V be applied across them, the readings are

300V each
360V and 240V
400V and 200V
One of the meters out of the range and other 100V

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Measurement and Instrumentation
For measurement on high voltage capacitors, the suitable bridge is

Wein bridge
Modified De santy's bridge
Schering bridge
Any of the listed here

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MORE MCQ ON Measurement and Instrumentation

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