Question

An electric iron is rated 1100W, 220V. The iron’s resistance and the current it draws is

Answer 1

5 ohm

Explanation:

Resistance = potential difference/current potential difference =220 volt current= 1100watt

R=v/I = 1100/220. =5 ohm

Answer 2

Answer:

Resistance=44ohms

Current=5A

Explanation:

Power=Voltage (V)*Current(I)

P=VI

1100=220I

I=1100/220

I=5A

Voltage(V)=Current (I)*Resistance(R)

V=IR

220=5R

R=220/5

=44ohms

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