The length of a 60w, 240ω bulb filament is 60cm remembering that the current in the filament is proportional to the electric field, what is the current in the filament after doubling its length?
Finally the current will be i = 0.35 A Explanation: As we know the power of the lamp is given by the formula now we have R = 240 ohm, so we have
now the current in the lamp is given as
now when the length of the filament is doubled, the resistance of the wire is also doubled, so we have
now the current in the lamp is given as
a sonic boom is a loud bang that breaks the sound barrier explanation:
because if the tool you use is not balanced, there will be a false mass.