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प्रश्न
Electric cells having 2V potential difference each have been connected in the form of a battery. What will be the total potential difference of the battery in both cases?
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उत्तर
- Total potential difference = 2 + 2 + 2 = 6 V
- Total potential difference = 2 + 2 + 2 + 2 = 8 V
संबंधित प्रश्न
The values of current (I) flowing through a given resistor of resistance (R), for the corresponding values of potential difference (V) across the resistor are as given below:
| V (volts) | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 4.0 | 5.0 |
| I (amperes) | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1.0 |
Plot a graph between current (I) and potential difference (V) and determine the resistance (R) of the resistor.
How much work is done in moving a charge of 2 C across two points having a potential difference of 12 V?
If a potential difference of 10 V causes a current of 2 A to flow for 1 minute, how much energy is transferred?
Ohm's law state a relation between potential difference and ___________.
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How is the electric potential difference between the two points defined? State its S.I. unit.
The following table shows current in Amperes and potential difference in Volts.
What will be the nature of the graph between the current and potential difference? (Do not draw a graph.)
Point out two differences between e.m.f. and potential difference as applied to electric circuits.
A 10 m long wire of a particular material is of reistance 5Ω What will be the resistance of 5m long wire of same material and the same thickness.
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.
