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Measurement and Instrumentation

Measurement and Instrumentation
For handling greater currents induction watt-meters are used in conjunction with

Power transformers
Current transformers
Either of the above
Potential transformers

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Measurement and Instrumentation
Following is a 16-bit register for 8085 microprocessor

 Stack pointer
 Register C
 Accumulator
 Register B

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Measurement and Instrumentation
What is the expression for momentum?

 mass × velocity
 force × displacement
 mass × acceleration
 change of velocity / time

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

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

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.023mA
0.1mA
0.05mA
0.007mA

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Measurement and Instrumentation
What is the expression for acceleration?

 Change in velocity / time
 Mass x velocity
 Mass x acceleration
 Force x displacement

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MORE MCQ ON Measurement and Instrumentation

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