1. Copy and complete this table:

 

 

 

 

 

 

 

2. What is the power rating of a microwave that has a current of 3.3 A flowing through it when it is plugged in to the mains?
3. What is the current flowing through a 65 W laptop that has a potential difference of 18.5 V across it?
4. What is the voltage across a 6 W light bulb that has a current of 500 mA flowing through it?
5. Three 40 W light bulbs are connected in parallel with the mains power supply, as shown.

What is the current drawn from the mains?