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Measurement and Instrumentation
A galvanometer has
Eddy current damping
Air friction damping
Spring coil damping
Fluid friction damping
Eddy current damping
Air friction damping
Spring coil damping
Fluid friction damping
Answer
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Related Question
Measurement and Instrumentation
A DC potentiometer is designed to measure up to about 2V with a slide wire of 800 mm. A standard cell of emf 1.18 V obtains balances at 600 mm. A test cell is seen to obtain balance at 680 mm. The emf of test cell is
1 V.
1.7 V.
1.34 V.
1.5 V.
1 V.
1.7 V.
1.34 V.
1.5 V.
Answer
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Measurement and Instrumentation
A 0 - 100 V voltmeter has a guaranteed accuracy of 2 % of full scale reading. The voltage measured by the voltmeter is 75 V. The limiting error is in percentage
3.33 %.
2 %.
2.66 %.
1 %.
3.33 %.
2 %.
2.66 %.
1 %.
Answer
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Measurement and Instrumentation
Which of the two have same dimensions?
Force and strain
Force and stress
Angular velocity and angular frequency
None of these
Force and strain
Force and stress
Angular velocity and angular frequency
None of these
Answer
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Measurement and Instrumentation
Resistance of a VARISTOR varies with
Both Voltage and Temperature
Current
Voltage
Temperature
Both Voltage and Temperature
Current
Voltage
Temperature
Answer
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Measurement and Instrumentation
The error of an instrument is normally given as a percentage of
Mean value
Measured value
Full-scale value
Rms value
Mean value
Measured value
Full-scale value
Rms value
Answer
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