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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 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.
Ohm's law state a relation between potential difference and ___________.
What is Ohm's law? Explain how it is used to define the unit of resistance.
Define the unit of resistance (or Define the unit "ohm").
Write down the formula which states the relation between potential difference, current, and resistance.
The potential difference between the terminals of an electric iron is 240 V and the current is 5.0 A. What is the resistance of the electric iron?
For the circuit shown in the diagram below:
What is the value of:
(i) current through 6 Ω resistor?
(ii) potential difference across 12 Ω resistor?
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.
Which one of the following is the correct set-up for studying the dependence of the current on the potential difference across a resistor and why?
______ is work done per unit charge.
