Question

You are cooking breakfast for yourself and a friend using a 1,300-W waffle iron and a 540-W coffeepot. Usually, you operate these appliances from a 110-V outlet for 0.500 h each day.

(a) At 12 cents per kWh, how much do you spend to cook breakfast during a 30.0 day period?
$

(b) You find yourself addicted to waffles and would like to upgrade to a 2,600-W waffle iron that will enable you to cook twice as many waffles during a half-hour period, but you know that the circuit breaker in your kitchen is a 20 A breaker. Can you do the upgrade?

Yes No    

Give the current that this new waffle iron (along with the coffee pot) draws to support your answer.
   A

Answer 1