A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

100 mA.

10 mA.

1mA.

0.5 mA.

100 mA.

10 mA.

1mA.

0.5 mA.

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Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

5

4

1

2

5

4

1

2

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Measurement and Instrumentation
A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be

0.25 A.

0.70 A.

0.50 A.

0.67 A.

0.25 A.

0.70 A.

0.50 A.

0.67 A.

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Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Gravity

Eddy currents

Spring

All of the listed here

Gravity

Eddy currents

Spring

All of the listed here

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Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

thick.

thin.

long and thin.

long.

thick.

thin.

long and thin.

long.

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Measurement and Instrumentation
In flux meter, the controlling torque is produced by

weight attached to the moving coil.

spring.

crossed coil mechanism.

not provided at all.

weight attached to the moving coil.

spring.

crossed coil mechanism.

not provided at all.

ANSWER DOWNLOAD EXAMIANS APP

Measurement and Instrumentation

Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

Measurement and Instrumentation A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be

Measurement and Instrumentation In a portable instrument , the controlling torque is provided by

Measurement and Instrumentation To increase Q factor of a coil, the wire should be

Measurement and Instrumentation In flux meter, the controlling torque is produced by

Measurement and Instrumentation
A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be

Measurement and Instrumentation
The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A.

Measurement and Instrumentation
A meter has a full-scale deflection of 90o at a current of 1 A. The response of the meter is square law. Assuming spring control, the current for a deflection at 45o will be

Measurement and Instrumentation
In a portable instrument , the controlling torque is provided by

Measurement and Instrumentation
To increase Q factor of a coil, the wire should be

Measurement and Instrumentation
In flux meter, the controlling torque is produced by