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प्रश्न
The device used for measuring potential difference is
विकल्प
Potentiometer
Ammeter
Galvanometer
Voltmeter
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उत्तर
Voltmeter
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संबंधित प्रश्न
What is the SI unit of potential difference?
Potential difference is measured in _________ by using a ___________ placed in ___________ across a component.
The device used for measuring potential difference is known as:
The potential difference between the terminals of an electric iron is 240 V and the current is 5.0 A. What is the resistance of the electric iron?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
Explain the analogy between the flow of charge (or current) in a conductor under a potential difference with the free fall of a body under gravity.
A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:
(i) The resistance of the wire, and
(ii) The heat energy produced in 1 minute.
What would you suggest to a student if while performing an experiment he finds that the pointer/needle of the ammeter and voltmeter do not coincide with the zero marks on the scales when the circuit is open? No extra ammeter/voltmeter is available in the laboratory.
Electric potential is a ____________.
Study the following circuit and find:
- Effective resistance of the circuit
- Current drawn from the battery
- Potential difference across the 5 omega resistor
