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Question
Resistance of a wire depends on, ______.
Options
temperature
geometry
nature of material
all the above
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Solution
all the above
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RELATED QUESTIONS
Exercise.
The values of current (I) flowing through a resistor for various potential differences V across the resistor are given below. What is the value of resistor?
| I (ampere) | 0.5 | 1.0 | 2.0 | 3.0 | 4.0 |
| V (volt) | 1.6 | 3.4 | 6.7 | 10.2 | 13.2 |
What is the maximum resistance one can make with ten 1Ω resistors?
The resistance of a conductor is R. If Its length is doubled, then its new resistance will be ______.
Resistors are connected in series if the resistance of the electric circuit is to be ______.
______ is the only non-metal that is a good conductor of electricity.
Three resistors are connected in parallel with a battery. If the current in each resistor is 2A, then the current through the battery will be ______.
The ______ is the measure of opposition offered by the component to the flow of electric current through it.
A rheostat is also known as fixed resistance.
Match the following:
| Column I | Column II | ||
| 1. | Resistor | a. | Galvanometer |
| 2. | Connecting wire | b. | Voltmeter |
| 3. | Current in an electric circuit | c. | Copper |
| 4. | Potential difference | d. | Constantan |
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more specific resistance?
