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प्रश्न
List the factors on which the resistance of a conductor in the shape of a wire depends.
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उत्तर
The resistance of a conductor in the shape of a wire depends on the following factors:
- Length of the conductor
- The cross-sectional area of the conductor
- The temperature of the conductor
- Nature of the material used
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संबंधित प्रश्न
Which has less electrical resistance : a thin wire or a thick wire (of the same length and same material)?
What happens to the resistance as the conductor is made thinner?
What happens to the resistance as the conductor is made thicker?
Which among iron and mercury is a better conductor of electricity?
What would be the effect on the resistance of a metal wire of:
increasing its temperature?
Calculate the area of cross-section of a wire if its length is 1.0 m, its resistance is 23 Ω and the resistivity of the material of the wire is 1.84 × 10−6 Ω m.
Resistance of a metal wire of length 5 m is 100 Ω . If the area of cross - section of the wire is `3 × 10^-7 "m"^2` , Calculate the resistivity of the metal .
A cylindrical conductor of length l and uniform area of cross-section A has resistance R. Another conductor of length 2l and resistance R of the same material has an area of cross-section:
Assertion: Conductors allow the current to flow through themselves.
Reason: They have free charge carriers.
How will you infer with the help of an experiment that the same current flows through every part of the circuit containing three resistances in series connected to a battery?
