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?

25 mA.

50 mA.

40 mA.

80 mA.

25 mA.

50 mA.

40 mA.

80 mA.

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Measurement and Instrumentation
The current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

1.2%

1%

1.5%

0.5%

1.2%

1%

1.5%

0.5%

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Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have

Linear scale

Exponential scale

Square-law scale

Logarithmic scale

Linear scale

Exponential scale

Square-law scale

Logarithmic scale

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Measurement and Instrumentation
A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to

Obtaine large deflecting torque.

Reduce the size of the meter.

Minimize the effect of temperature variation.

Minimize the effect of stray magnetic fields.

Obtaine large deflecting torque.

Reduce the size of the meter.

Minimize the effect of temperature variation.

Minimize the effect of stray magnetic fields.

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Measurement and Instrumentation
A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

First adjust R4 and then adjust R1.

First adjust R2 and then adjust R3.

First adjust R2 and then adjust R4.

First adjust R4 and then adjust R2.

First adjust R4 and then adjust R1.

First adjust R2 and then adjust R3.

First adjust R2 and then adjust R4.

First adjust R4 and then adjust R2.

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Measurement and Instrumentation
The pointer of an indicating instrument should be

Very heavy

Either light or heavy

Very light

None of the listed here

Very heavy

Either light or heavy

Very light

None of the listed here

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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 current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have

Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to

Measurement and Instrumentation A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

Measurement and Instrumentation The pointer of an indicating instrument should be

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 current ‘I’ through a resistance R is measures with the following uncertainties I = 4 A ± 0.5%, R = 100Ω±0.2%. If power is computed from these two measured quantities, the uncertainty in the power computed will be

Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have

Measurement and Instrumentation
A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to

Measurement and Instrumentation
A bridge circuit is shown in the figure below. Which one of the sentence given below is most suitable for balancing the bridge?

Measurement and Instrumentation
The pointer of an indicating instrument should be