How does the resistance of a conductor depend on : (a) length of the conductor ?
How does the resistance of a conductor depend on :
(a) length of the conductor ?
(b) area of cross-section of the conductor ?
(c) temperature of the conductor ?
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Solution :
(a) Resistance of a conductor increases (or decreases) with increase (or decrease) in the length of the conductor.
(b) Resistance of a conductor decreases (increases) with increase (decrease) in the area of cross-section of the conductor.
(c) Resistance of a conductor increases on raising the temperature and decreases on lowering the temperature.
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