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Measurement and Instrumentation

Measurement and Instrumentation
A 10MHz CRO has

10MHz supply frequency
10MHz horizontal oscillator
5MHz sweep
10MHz vertical oscillator

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Measurement and Instrumentation
The pointer of an indicating instrument should be

None of the listed here
Either light or heavy
Very light
Very heavy

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Measurement and Instrumentation
An ammeter is ______ instrument.

None of the listed here
An indicating
An integrating
A recording

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Measurement and Instrumentation
A permanent magnet moving coil ammeter is connected in 50 Hz a. c. Circuit in which 5A current is flowing. The meter will read

None of the listed here
0 A
2.5 A
5 A

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Measurement and Instrumentation
Direct method is used to measure

Length
Pressure
Temperature
Voltage

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Measurement and Instrumentation
The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

 1.5%
 0.5%
 1.2%
 1%

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