Question

An electric iron has a rating of 750W, 220W. Calculate 1.) the current passing through it2.) it's resistance when in use.

Answer 1

Answer:

GIVEN:

Power=750w

V=220volts

P=Vx I

I=P/V

=750/220

=3.40A

By ohm's law, we have V=IR

R=V/I

=220/3.40

=64.7 OHMS.

THEREFORE, The current passing through circuit is 3.40A and Resistance =64.7 OHMS.

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