Question

An electric iron draws 2.4 amperes of current from a 240 v source. [3] find its (a) resistance (b) wattage (power)

Answer 1

We know that

v= i×r

v/I=r

resistance= 240/2.4

= 100 ohm

power = v×i

=240×2.4

= 576w

Answer 2

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