Which has the higher resistance: a lamp filament with no current or one carrying current? Or...
Which has the higher resistance: a lamp filament with no current or one carrying current? Or do both have the same resistance?
| a lamp filament with current |
| a lamp filament with no current |
| both have the same resistance |
Homework Answers
As the temperature of filament increases , resistance will increase . At very high temperature resistance becomes very high and filament will break .
Hence option a is correct .
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