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10 votes
10 votes
PLZ HELP THIS IS FOR AN UNIT GRADE

A student’s cell phone battery is almost dead, and she plugs it into an electrical outlet to charge. As it charges, she notices a light is glowing red to indicate that it is charging; she also notices that the phone is warm. After the battery has been fully charged and the student unplugs her cell phone, the phone vibrates when a message arrives.

Which statement correctly explains the energy transformation?
A. Electrical energy is converted to chemical energy as the battery charges, and the chemical energy is then released and used to produce to light, thermal, and mechanical energy.


B. Electrical energy is converted to light energy as the battery charges, and the light energy is then released and used to produce heat energy and mechanical energy.


C. Electrical energy is converted to mechanical energy as the battery charges, and the mechanical energy is released and used to produce light and chemical energy.


D. Electrical energy is converted to heat energy as the battery charges, and the heat energy is released and used to produce light and mechanical energy.

User AlbertM
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1 Answer

21 votes
21 votes

Answer:

A.Electric energy is converted to chemical energy as the battery charges

The electrical energy is converted to chemical energy which is been stored and also used to produce light,heat and mechanical energy

User Matin Ashtiani
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2.6k points