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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
How does the resistance of a wire depend on its length? Give a reason for your answer.
Draw a I–V graph for a linear resistor. What does its slope represent?
Two wires of the same material and same length have radii 1 mm and 2 mm respectively. Compare their resistances.
Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.
What happens to the resistance, as the conductor is made thicker?
An electric bulb is rated ‘240 V, 100 W’.
- What information can you get from the above statement?
- What will happen if this bulb is connected across 220 V?
- Calculate the resistance of the bulb.
- Also find the energy consumed by the bulb in 10 minutes.
What is the maximum resistance one can make with ten 1Ω resistors?
A rheostat is also known as fixed resistance.
Define the following:
Fixed resistor
Define the term resistance.
