There are many common forms of energy which can be converted from one form to another in a mobile phone - Junior Cycle Science - Question (b) - 2018
Question (b)
There are many common forms of energy which can be converted from one form to another in a mobile phone.
(i) State the standard unit of energy.
(ii) When the batte... show full transcript
Worked Solution & Example Answer:There are many common forms of energy which can be converted from one form to another in a mobile phone - Junior Cycle Science - Question (b) - 2018
Step 1
State the standard unit of energy.
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Answer
The standard unit of energy is the joule (J). Alternatively, it can also be measured in kilojoules (kJ).
Step 2
When the battery of a mobile phone is being charged, electrical energy is converted to which other form of energy?
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Answer
When the battery of a mobile phone is being charged, electrical energy is converted to chemical energy.
Step 3
When a mobile phone is used to listen to music, the energy in the battery is then converted to which other form of energy?
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Answer
When a mobile phone is used to listen to music, the energy in the battery is converted to sound energy.
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