why is much less heat generated in long cables than in the filament of electric bulb?
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Answer: As the long cable wires have more cross sectional area, the resistance produced is little as compared to a filament wire. The long cables are made up of a good conductor of electricity and hence the resistance is also little as compared to a filament.
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Answer:
Answer: As the long cable wires have more cross sectional area, the resistance produced is little as compared to a filament wire. The long cables are made up of a good conductor of electricity and hence the resistance is also little as compared to a filament.
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