If and are respectively the filament resistances of a bulb and bulb designed to operate on the same voltage, then |
|||||||

a) |
is two times |
b) |
is two times |
c) |
is four times |
d) |
is four times |

If and are respectively the filament resistances of a bulb and bulb designed to operate on the same voltage, then |
|||||||

a) |
is two times |
b) |
is two times |
c) |
is four times |
d) |
is four times |

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