Answer to Question #66468 in Electric Circuits for siti

Question

An electric kettle and an electric iron operated for 1 hour and 20 minutes respectively. The main supply of electricity has a voltage of 240 V. During the operation, a current of 5 A flows through the kettle and a current of 1.5 A flows through the iron. If the cost of electrical energy is $0.50 for 1 kWh, what is the cost of operating these two items?

Answer 1

Solution



Determine the power consumed electric kettle
W kW
Determine the power consumed by electric iron
W kW
We define the consumed electric energy
kWh
The cost of electrical energy consumed
$

Answer 0,66$.