plz answer

Asked by tangocharliee | 13th Nov, 2009, 10:27: AM

Expert Answer:

Metals are basically good conductors of electricity , as such, their resistance of mettalic filament is quite low as compared to that of carbon filament. Now, resistance is directly proportional to power ( P= i2 R) , hence the carbon filament glows more brightly .

Answered by  | 13th Nov, 2009, 11:55: AM

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