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Measurement and Instrumentation

Measurement and Instrumentation
A dynamometer wattmeter can be used for

DC only
Both DC and AC
AC only
Any of the listed here

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Measurement and Instrumentation
What is the approximate input impedance of a CRO?

 0
 100 MΩ
 1 MΩ
 10 MΩ

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Measurement and Instrumentation
For measurement of mutual inductance we can use

Anderson bridge
Any of the listed here
Maxwell's bridge
Heavyside bridge

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

 Accumulator
 Register B
 Register C
 Stack pointer

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Measurement and Instrumentation
An ammeter is ______ instrument.

None of the listed here
An integrating
An indicating
A recording

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Measurement and Instrumentation
A 50 Hz bar primary CT has a secondary with 500 turns. The secondary supplies 5 A current into a purely resistive burden of 1Ω. The magnetizing ampere-turn is 200. The phase angle between the primary and secondary current is

 175.4o.
  4.6o.
 85.4o.
 94.6o.

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