3. Define resistance. Explain the dependence of resistance on temperature.
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Resistance is the obstruction offered to the flow of current by a conductor.
Resistance depends on the temperature of the conductor. If the temperature of the conductor increases, ions in it will vibrate more violently. As a result, the number of collisions increases and hence the resistance increases.
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Resistance depends on the temperature of the conductor. If the temperature of the conductor increases, ions in it will vibrate more violently. As a result, the number of collisions increases and hence the resistance increases.
Hope you understood and have got your answer. Please mark as branliest.
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