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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.
How are the home appliances connected in general, in series or parallel. Give reasons.
The resistance of a straight conductor is independent of ______.
If the area of cross-section of the conductor is doubled its resistance gets ______.
The ______ is the measure of opposition offered by the component to the flow of electric current through it.
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
|
5 bulbs are connected in series in a room. One bulb is fused. It is removed and remaining 4 bulbs are again connected in series to the same circuit. What will be the effect on the following physical quantities? (Increases, Decreases, Remain Same). |
- Resistance
- Intensity of light
Define the term resistance.
