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Measurement and Instrumentation

Measurement and Instrumentation
Electrostatic instruments are used as

Wattmeter only
Both ammeter and voltmeter
Voltmeters only
Ammeters only

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Measurement and Instrumentation
A 1 mA meter is to be converted to 1 A ammeter. The meter resistance is 100 Ω. The value of shunt resistance

 100 Ω.
 0.001 Ω.
 1000 Ω.
 0.1001 Ω.

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Measurement and Instrumentation
What is the name of physical quantities which are independent of each other?

None of these
 Fundamental quantity
 Numerical quantity
 Derived quantity

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Measurement and Instrumentation
An ammeter is a

Secondary instrument
Absolute instrument
Recording instrument
Integrating instrument

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Measurement and Instrumentation
In a megger controlling torque is provided by

Coil
Gravity
Eddy current
Spring

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Measurement and Instrumentation
A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is

 100 Nm.
 2 Nm.
  200 Nm.
 1 Nm.

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