1.

An electric bulb is connected to 200 volts if the current of passes of 0.5 passes through it what is the power of the bulb​

Answer»

Answer:

We know that, power is BASICALLY work done in UNIT time.

That is, Power=work/time

And, work=potential different × charge

And, charge= I×t (current passing through a conductor in unit time)

Therefore, power=(potential difference×charge)/(charge/current)

=potential difference×current

=200V × 0.5A

100watt.



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