A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

50 mA.

25 mA.

40 mA.

80 mA.

50 mA.

25 mA.

40 mA.

80 mA.

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Measurement and Instrumentation
The power factor of a single phase load can be calculated if the instruments available are

One ammeter, one voltmeter and one energy meter

Any of the listed here

One voltmeter and one ammeter

One voltmeter, one ammeter and one wattmeter

One ammeter, one voltmeter and one energy meter

Any of the listed here

One voltmeter and one ammeter

One voltmeter, one ammeter and one wattmeter

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Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

a thermal instrument.

a moving coil instrument.

an electrostatic instrument.

a dynamometer instrument.

a thermal instrument.

a moving coil instrument.

an electrostatic instrument.

a dynamometer instrument.

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Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

X is more sensitive.

It would not be possible to assess the sensitivity on the basis of the given data.

Both X and Y are equally sensitive.

Y is more sensitive.

X is more sensitive.

It would not be possible to assess the sensitivity on the basis of the given data.

Both X and Y are equally sensitive.

Y is more sensitive.

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Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

0.1mA

0.007mA

0.05mA

0.023mA

0.1mA

0.007mA

0.05mA

0.023mA

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Measurement and Instrumentation
When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is

very high.

ideally zero.

small.

high.

very high.

ideally zero.

small.

high.

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Measurement and Instrumentation

Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

Measurement and Instrumentation The power factor of a single phase load can be calculated if the instruments available are

Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is

Measurement and Instrumentation If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

Measurement and Instrumentation A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is

Measurement and Instrumentation
A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA?

Measurement and Instrumentation
The power factor of a single phase load can be calculated if the instruments available are

Measurement and Instrumentation
The transfer instrument which is used for standardization of a polar type AC potentiometer is

Measurement and Instrumentation
If two meters X and Y require 40 mA and 50 mA respectively, to give full scale deflection, then

Measurement and Instrumentation
A permanent magnet moving coil ammeter has a coil resistance of 99ohm and Full Scale DeflectionFSD. current of 0.1mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is

Measurement and Instrumentation
When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is