Question

Energy can change from one form to another. Write down the energy transfer that takes place in a mobile Phone that is not connected in a power outlet.

Answer 1

Chemical energy——> sound light and heat energy

Answer 2

kinetic energy for sound radiation and chemical energy for light radiation, internal energy for infrared radiation.

Step-by-step explanation:

Phones use chemichal energy, when the chemical energy is transferred through each part of the electrical work a new form energy is emitted.