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Measurement and Instrumentation

Measurement and Instrumentation
Induction wattmeter can measure

None of the listed here
Both AC and DC
Ac power only
Dc power only

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Measurement and Instrumentation
An induction meter can handle current upto

100 A
60 A
30 A
10 A

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Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is positioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

 100 µNm.
  200 µNm.
 2 µNm.
 1 µNm.

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Measurement and Instrumentation
Ryall crest voltmeter is used for measurement of

High AC voltage
AC voltage of any form
Low frequency voltage
High DC voltage

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Measurement and Instrumentation
An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is

 6%
 5%
 4%
 3%

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Measurement and Instrumentation
In eddy current damping, disc or former is made of a material that is a

Non conductor but magnetic
Conductor but non magnetic
Non conductor and non magnetic
Conductor but magnetic

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MORE MCQ ON Measurement and Instrumentation

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