Standard Science Primary 6 Energy

What is the main energy conversion when a battery-operated flashlight is switched on?

A Kinetic energy → Electrical energy → Light energy
B Chemical potential energy → Electrical energy → Light energy + Heat energy
C Electrical energy → Light energy
D Chemical potential energy → Kinetic energy → Light energy
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Worked Solution

Step 1: The source is the battery (Chemical Potential Energy). Step 2: The battery produces current (Electrical Energy). Step 3: The bulb produces light and unwanted heat.

Correct answer: Chemical potential energy → Electrical energy → Light energy + Heat energy

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