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प्रश्न
Resistance of a wire depends on, ______.
पर्याय
temperature
geometry
nature of material
all the above
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उत्तर
all the above
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संबंधित प्रश्न
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more resistance?
Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.
What is resistance?
Two conductors of resistance 2 R and R are connected in series in a battery circuit. The ratio of heat developed In them is ______.
______ is the only non-metal that is a good conductor of electricity.
If the area of cross-section of the conductor is doubled its resistance gets ______.
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 ______.
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 |
Define the following:
Fixed resistor
Two copper wires are of the same length, but one is thicker than the other. Which wire will have more specific resistance?
