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प्रश्न
Define one coulomb charge.
उत्तर
One coulomb is the quantity of electric charge which exerts a force of `9xx10^9` N on an equal charge placed at a distance of one metre from it.
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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.
You have three resistors of values 2Ω, 3Ω and 5Ω. How will you join them so that the total resistance is more than 7Ω?
1) Draw a diagram for the arrangement
2) Calculate the equivalent resistance.
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a charge of 1 C passes through it?
How is the electric potential difference between the two points defined? State its S.I. unit.
State whether the potential is a scalar or vector?
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.
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