Question

Something that changes an input energy into useful and not useful energies.

Answer 1

Explanation:

Appliance:

Electric kettle

Useful energy:

Energy that heats the water.

Wasted energy:

Internal (thermal) energy heating the kettle. Infrared radiation lost to the surroundings.

Answer 2

Answer:

ya dev! I have inst.alled pin again .

I have dropped three time this question but mod deleted it ..

well hope so you will see it .