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Measurement and Instrumentation

Measurement and Instrumentation
How many fundamental units are there ?

 8
 7
 4
 6

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Measurement and Instrumentation
In a dynamometer wattmeter, the moving coil is the

Potential coil
Current coil
None of the listed here
Current coil and potential coil

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

99.99 ohms
100 K ohms
99.99 K ohms
100 ohms

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Measurement and Instrumentation
Deflection method direct measurements are most widely used as these are

 most simple.
 least time consuming.
 most accurate.
 most simple and least time consuming.

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Measurement and Instrumentation
The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance

 ± 2.5%
 ± 1%
 ± 3.5%
 ± 1.5%

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Measurement and Instrumentation
The use of __________________ instruments is merely confined within laboratories as standardizing instrument.

 indicating.
  absolute.
 recording.
 integrating.

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MORE MCQ ON Measurement and Instrumentation

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