Physics
Grade-7
Easy
Question
Direction :Identify the correct transformation of energy in the following.
Traffic light
- Electrical to sound
- Sound to electrical
- Electrical to light
- Light to electrical
Hint:
The electric energy is converted into light energy in traffic lights.
The correct answer is: Electrical to light
- The traffic lights produce light energy.
- The electric current is being a source of electric energy in traffic lights.
- The electric energy is converted into light energy to make them glow.
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