Standard Science Primary 6 Energy

Which of the following shows the correct energy conversion in a television that is switched on?

A Electrical Energy -> Light Energy + Sound Energy
B Chemical Potential Energy -> Electrical Energy -> Light Energy
C Electrical Energy -> Kinetic Energy + Heat Energy
D Light Energy -> Electrical Energy -> Sound Energy
Show Worked Solution

Worked Solution

Step 1: The input energy for a TV is electricity. Step 2: The output we observe is the image (light) and the audio (sound). Step 3: Heat is also produced as a byproduct, but Option A captures the main functional conversion.

Correct answer: Electrical Energy -> Light Energy + Sound Energy

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