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प्रश्न
Define Electric potential.
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उत्तर
Electric potential is a measure of work done on the unit's positive charge to bring it to that point against all electrical forces. It is represented as ‘V’.
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संबंधित प्रश्न
Which of the following statements correctly defines a volt?
(a) a volt is a joule per ampere.
(b) a volt is a joule per coulomb.
How much work is done when one coulomb charge moves against a potential difference of 1 volt?
What is the SI unit of potential difference?
What do you understand by the term "electric potential"? (or potential) at a point? What is the unit of electric potential?
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.
State whether the potential is a scalar or vector?
Five resistors of different resistances are connected together as shown in the figure. A 12 V battery is connected to the arrangement.
Calculate:
(i) the total resistance in the circuit
(ii) the total current flowing in the circuit.
The figure shows a circuit. When the circuit is switched on, the ammeter reads 0.5 A.
(i) Calculate the value of the unknown resistor R.
(ii) Calculate the charge passing through the 3 Ω resistor in 120 s.
(iii) Calculate the power dissipated in the 3 Ω resistor.
A current of 0.2 A flows through a conducting wire for 5 minutes. How much charge will flow?
Inside a hollow charged spherical conductor, the potential ______
