RESISTANCE

THE FILAMENT OF A 240 VOLTS ,100 WATTS ELECTRIC LAMP HEATA UP FROM ROOM TEMPERATURE TO ITS OPERATING TEMPERATURE .AS IT HEATS UP ,ITS RESISTANCE INCREASES BY A FACTOR OF 16.WHAT IS THE RESISTANCE OF THIS LAMP AT ROOM TEMPERATURE?
Question asked by: Dileep

Asked on: 20 Dec 2009

There is a simple formula that relates the various pieces of information - if you apply that you will be able to work out the answer.
By: knowitall
Replied at: 20 Dec 2009
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