12
Question
When the temperature of a metallic conductor is increased its resistance :
When the temperature of a metallic conductor is increased its resistance :
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Solution
The correct option is B increases
Electron density in conduction band of conductor is enough to flow charge, But when temperature increase then density of electron increase so time between two successive collision decrease, Hence Resistance increase.
Electron density in conduction band of conductor is enough to flow charge, But when temperature increase then density of electron increase so time between two successive collision decrease, Hence Resistance increase.
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