Question

why is much less heat generated in long cables than in the filament of electric bulb?​

Answer 1

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.

Answer 2

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.