Name a device that helps to measure the potential difference across a conductor.

Academic Physics NCERT Class 10

A voltmeter is an instrument or device that helps in measuring the electric potential difference between two ends of the conductor.

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Updated on: 10-Oct-2022

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Name the device that helps to maintain a potential difference across a conductor.
(a) Name a device that helps to measure the potential difference across a conductor.(b) How much energy is transferred by a 12 V power supply to each coulomb of charge which it moves around a circuit?
a) Name a device which helps to maintain a potential difference across a conductor(say, a bulb).b) If a potential difference of 10V causes a current of 2 A to flow for 1 minute, how much energy is transferred?
1. Name a device that helps to maintain a potential difference across a conductor. 2. What is meant by saying that the potential difference between two points is 1 V?3. How much energy is given to each coulomb of charge passing through a 6 V battery?
Name the law which relates the current in a conductor to the potential difference across its ends.
(a) Name a device which helps to maintain a potential difference across the ends of a conductor(b) What is meant by saying that the potential difference between two points is 1 V? (c) Define Ohm's law. Write an expression for it. (d) What is the unit of resistance? (e) When the potential difference between the terminals of an electric heater is 110 V, a current of 5 A flows through it. What current will flow through the heater if the potential difference is increased to 220 V ? What is the resistance of heater?
Name a device which is used to measure force acting on an object.
How does potential difference cause an electric current to flow through a metallic conductor?
(a) State the relation correlating the electric current flowing in a conductor and the voltage applied across it. Also, draw a graph to show this relationship.(b) Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
How is a voltmeter connected in the circuit to measure the potential difference between two points?
The work done in moving a unit charge across two points in an electric circuit is a measure of :(a) current(b) potential difference(c) resistance(d) power
The other name of the potential difference is: a) ampereage b) wattage c) voltage d) potential energy
Calculate the work done in moving a charge of 4 coulombs across two points having a potential difference of 6V.
What is the difference between a Good Conductor and Bad Conductor?

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