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प्रश्न
Explain the statement ‘the potential difference between two points is 1 volt’.
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उत्तर
One volt is the potential difference between two points in an electric circuit when 1 joule of work is done to move a charge of 1 coulomb from one point to another.
1 volt = `(1 "Joule")/(1 "Coloumb")`
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संबंधित प्रश्न
The values of current I flowing in a given resistor for the corresponding values of potential difference V across the resistor are given below:
| I (amperes) | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 |
| V (volts) | 1.6 | 3.4 | 6.7 | 10.2 | 13.2 |
Plot a graph between V and I and calculate the resistance of that resistor.
Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.
How much energy is transferred by a 12 V Power supply to each coulomb of charge which it moves around a circuit?
The unit for measuring potential difference is:
Keeping the potential difference constant, the resistance of a circuit is halved. By how much does the current change?
What is Ohm's law? Explain how it is used to define the unit of resistance.
Write down the formula which states the relation between potential difference, current, and resistance.
In the circuit diagram given below, the current flowing across 5 ohm resistor is 1 amp. Find the current flowing through the other two resistors.
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.
Twenty-seven drops of the same size are charged at 220 V each. They combine to form a bigger drop. Calculate the potential of the bigger drop.
