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प्रश्न
The other name of potential difference is:
विकल्प
Amperage
Wattage
Voltage
Potential energy
उत्तर
Voltage
The term voltage came from a volt, which is the SI unit of potential difference.
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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.
What do you understand by the term "potential difference"?
Ohm's law state a relation between potential difference and ___________.
What p.d. is needed to send a current of 6 A through an electrical appliance having a resistance of 40 Ω?
Calculate the power used in the 2 Ω resistor in each of the following circuits: a 4 V battery in parallel with 12 Ω and 2 Ω resistors.
The following table shows current in Amperes and potential difference in Volts.
Which law will the graph prove? Explain the law.
The device used for measuring potential difference is
Three resistors are connected to a 6 V battery as shown in the figure given below:
Calculate:
(i) the equivalent resistance of the circuit.
(ii) total current in the circuit.
(iii) potential difference across the 7.2 Ω resistor.
Exercise.
Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.
