can we use potentiometer for measuring resistance?

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asked Sep 30, 2017 by anonymous

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asked Mar 21, 2018 by anonymous

To measure a resistance with the help of a potentiometer it is?

Last answer: To measure a resistance with the help of a potentiometer it is not necessary to standardise the potentiometer.

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asked Mar 21, 2018 by anonymous

For measuring a very high resistance we should use?

Last answer: For measuring a very high resistance we should use Meggar.

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asked Mar 21, 2018 by anonymous

The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a?

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asked Mar 21, 2018 by anonymous

Basically a potentiometer is a device for?

Last answer: Basically a potentiometer is a device for comparing two voltages.

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asked Mar 21, 2018 by anonymous

A potentiometer may be used for?

Last answer: A potentiometer may be used for measurement of resistance, measurement of current, calibration of ammeter, calibration of voltmeter.

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asked Apr 26, 2018 by anonymous

When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But

When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, the voltmeter reading shows 0.99 V. If the resistance of the voltmeter is 1100 Ohm , the internal resistance of the battery, in Ohm , is (A) 150 (B) 100 (C) 50 (D) 200

Last answer: When the voltage across a battery is measured using a D.C potentiometer, the reading shows 1.08 V. But when the same voltage is measured using a Permanent Magnet Moving Coil (PMMC) voltmeter, ... resistance of the voltmeter is 1100 Ohm , the internal resistance of the battery, in Ohm , is 100

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asked Mar 25, 2018 by anonymous

A rheostat differs from potentiometer in the respect that it?

Last answer: A rheostat differs from potentiometer in the respect that it has higher wattage rating.

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asked Mar 21, 2018 by anonymous

In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be?

Last answer: In an AC. co-ordinate potentiometer, the currents in the phase and quadrature potentiometer are adjusted to be out of phase by 90°.

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asked Mar 21, 2018 by anonymous

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that...

To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken?

Last answer: To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken from the same source as the unknown voltage.

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asked Mar 21, 2018 by anonymous

In order to achieve high accuracy, the slide wire of a potentiometer should be?

Last answer: In order to achieve high accuracy, the slide wire of a potentiometer should be as long as possible.

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142 views 1 answer

asked May 8, 2018 by anonymous

We connected a 35V dc supply to a resistance of 600 Ohm in series with an unknown resistance

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Last answer: We connected a 35V dc supply to a resistance of 600 Ohm in series with an unknown resistance R.A. voltmeter having a resistance of 1.2 kOhm is connected across 600 Ohm resistance and read 5v. The value of resistance R will be 2.4 kOhm

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asked Apr 28, 2018 by anonymous

When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially

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Last answer: When measuring insulation resistance of cables using d.c. source, the galvanometer used should be initially short circuited because Cables have a high value of capacitance which draws a high value of charging current

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asked Sep 6, 2018 by anonymous

State the use of shunt and series resistance used in extension of meter.

Last answer: Use of shunt and series resistance: i) Use of shunt: To extend the range of Ammeter. ii) Use of series resistance: To extend the range of Voltmeter.

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asked Mar 25, 2018 by anonymous

When resistance element of a heater fuses and then we reconnect it ...

When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will?

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For measuring emf of a standard cell we use:

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For measuring current at high frequency we should use?

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asked Sep 6, 2018 by anonymous

Name two methods for measurement of low, medium and high resistance. Give one advantage and one limitation of V- I method.

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asked Sep 6, 2018 by anonymous

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can voltmeter measure resistance?

Last answer: Voltmeter is used to measure voltage in a circuit.Ohmmeter is used to measure the resistance of a component in a circuit.

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Ratio of the rotor reactance X to the rotor resistance R for a two-phase servo motor

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asked Sep 6, 2018 by anonymous

Name the method used to measure following resistances:- (i) Low resistance (ii) Medium resistance (iii) Insulation resistance (iv) Earth resistance.

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asked Sep 6, 2018 by anonymous

Explain V- I method of measurement of medium resistance.

Last answer: In this method, use suitable source, ammeter and voltmeter and connect them as shown in the above diagram. Take reading of voltmeter and ammeter, then value of resistance = R = V/I Ω To minimise the error take 4 to 5 observation for the same resistance and take their average.

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anonymous · Answer 1 · 2017-09-30T03:22:39+0000

answered Sep 30, 2017 by anonymous

Yes we can use potentiometer for measuring resistance.

can we use potentiometer for measuring resistance?

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