Question

Suppose you are running late in the morning and drying your hair in the kitchen with the hairdryer plugged into the outlet with the toaster and the coffee pot. The hair dryer is 1200 W, the toaster is 700 W, and the coffee pot is 800 W. As you are drying your hair, you start the coffee and also put some bread into the toaster and push it down. Suddenly the hair dryer, the toaster, and the coffee pot all stop because you turned on the toaster. Why?

Answer 1

Step-by-step explanation:

It is given that Hair dryer , Toaster and coffeepot are working simultaneously with power 1200 W , 700 W and 800 W respectively.

So the total power of system is
`P_t=1200+700+800=2700\ W`

it is given that they work properly until toast is on.

By switching on the toast, appliance stop working because it may cause the circuit to break to safeguard the circuit.

Circuit breaker frame are used in home to prevent the short circuit