Physics
Grade-7
Easy
Question
Direction : Identify the correct transformation of energy in the following.
Identify the correct step of the transformation of energy in a torch
- Muscular to electrical to light
- Chemical to electrical to light and heat
- Chemical to electrical to heat
- Chemical to electrical to heat
Hint:
The energy transformation in torches is from chemical to electrical to light and heat energies.
The correct answer is: Chemical to electrical to light and heat
- The batteries are used to produce light in torches.
- The batteries have chemical energy that is converted into electrical energy.
- The electrical energy is transformed to produce light energy.
- The heat energy is produced in torches as it glows for a long time.
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