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Measurement and Instrumentation

Measurement and Instrumentation
For a circuit given that I = 2 ± 5 % A, R = 100 ± 0.2 % Ω the limiting error in the power dissipation I2 R in the resistor R is

 10.2%
 25.2%
 1.2%
 5.2%

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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?

100 ohms
100 K ohms
99.99 ohms
99.99 K ohms

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Measurement and Instrumentation
The errors mainly caused by human mistakes are

  gross error.
 systematic error.
 observational error.
 instrumental error.

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Measurement and Instrumentation
Induction wattmeter can measure

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

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Measurement and Instrumentation
An ammeter is a

Integrating instrument
Absolute instrument
Recording instrument
Secondary instrument

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Measurement and Instrumentation
Which of the quantity consists of unit as newton-second?

 velocity
 Impulse
 Speed
 Acceleration

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