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Measurement and Instrumentation

Measurement and Instrumentation
An ammeter is ______ instrument.

An integrating
None of the listed here
A recording
An indicating

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Measurement and Instrumentation
In the bridge given in the figure, the reading of the high impedance voltmeter is

 6.66 V.
 Zero.
 4.20 V.
 - 3.33 V.

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Measurement and Instrumentation
Which of the quantity consists of unit as kg m/sec ?

 Momentum
 Impulse
 Speed
 Acceleration

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Measurement and Instrumentation
A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is

 240 Ohm.
 0.0024 Ohm.
 0.0012 Ohm.
 120 Ohm.

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Measurement and Instrumentation
A null type instrument as compared to a deflected type instrument has

 a higher accuracy.
 a faster response.
All of these
 a lower sensitivity.

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Measurement and Instrumentation
The three resistors R1, R2 and R3 have the following ratings: R1 = 25Ω ± 4%, R2 = 65 Ω ± 4%; R3 =45 Ω ± 4%. If the resistance are connected in series, then limiting error produced in equivalent resistance is

 3%
 1%
 4%
 2%

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