Question

wath is electrical power? write is unit. An electric bulb is connected to a 220v generator. The current is 0.50A. what is the power of the bulb?answe please in formala method haki answer madi kalasi please 3marks question​

Answer 1

Answer:

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.

The SI unit of power is the watt, one joule per second...

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.

Explanation:

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