A domestic kettle is rated at 2kW and works from the 240v mains supply. It takes 3 minutes to come to the boil when full

a) How much energy has been produced during this process

b)Which of the folloowing fuses should be fitted in the plug: 1A, 5A or 13A?

c)how many electrons have passed through the heating element? Charge on an electron 1.6X10^-19C

Thanks a lot for any contributions, also it would be helpful if you could explain how you got the answers thanks again