An electric kettle is marked “230 V, 5 A”.
(i) Calculate the resistance of the heating element when the kettle is in operation.
(ii) Determine the power rating of the kettle.
(iii) Express this power in kilowatts.
(iv) The kettle is used to boil water for 15 minutes. Calculate the electrical energy consumed in kilowatt-hour.
a. (i)
b. (ii)
c. (iii)
d. (iv)