The electric bulbs have tungsten filaments of same length. If one of then gives and other then |
|
a) |
bulb has thicker filament |
b) |
bulb has thicker filament |
c) |
Both filaments are of same thickness |
d) |
It is possible to get different wattage unless the lengths are different |
The electric bulbs have tungsten filaments of same length. If one of then gives and other then |
|
a) |
bulb has thicker filament |
b) |
bulb has thicker filament |
c) |
Both filaments are of same thickness |
d) |
It is possible to get different wattage unless the lengths are different |