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?

80 mA.

50 mA.

25 mA.

40 mA.

80 mA.

50 mA.

25 mA.

40 mA.

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Measurement and Instrumentation
Which instrument has identical calibration for ac as well as dc values?

Hot wire type

Induction type

Moving iron type

Moving coil type

Hot wire type

Induction type

Moving iron type

Moving coil type

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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

± 1%

± 2.5%

± 3.5%

± 1.5%

± 1%

± 2.5%

± 3.5%

± 1.5%

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Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

0.01V

0.25V

0.05V

0.01V

0.25V

0.05V

0.01V

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Measurement and Instrumentation
Which of the following cannot be measured by multimeters?

Frequency

Resistance

Current

Voltage

Frequency

Resistance

Current

Voltage

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Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by

Air friction

Permanent magnet

None of the listed here

Fluid friction

Air friction

Permanent magnet

None of the listed here

Fluid friction

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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 Which instrument has identical calibration for ac as well as dc values?

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

Measurement and Instrumentation A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

Measurement and Instrumentation Which of the following cannot be measured by multimeters?

Measurement and Instrumentation In a single phase energy meter, braking torque is provided by

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
Which instrument has identical calibration for ac as well as dc values?

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

Measurement and Instrumentation
A voltage of 2.70 V is being measured by an analog indicating instrument having a scale range of 0 – 5.0 V. If the instrument reads 2.65 V, then absolute error in measurement is

Measurement and Instrumentation
Which of the following cannot be measured by multimeters?

Measurement and Instrumentation
In a single phase energy meter, braking torque is provided by