Question

An electric iron has a rating of 750W, 220V. Calculate 1.) its resistance when in use

Answer 1

P=V²/R
750=220²/R
R=220²/750
=64.533 ohm

Answer 2

Hi friend,

We know that,

Power= V²/R

P= 220×220/750

P= 64.5 watts.

Hope this helped you a little!!!