Standard Science Primary 6 Energy

What is the main energy conversion that takes place when a battery-operated torch is switched on?

A Chemical Potential Energy → Electrical Energy → Light Energy
B Electrical Energy → Light Energy → Heat Energy
C Light Energy → Electrical Energy → Chemical Potential Energy
D Kinetic Energy → Electrical Energy → Light Energy
Show Worked Solution

Worked Solution

Step 1: The battery stores chemical potential energy. Step 2: This is converted into electrical energy in the circuit. Step 3: The bulb converts electrical energy into light (and heat) energy.

Correct answer: Chemical Potential Energy → Electrical Energy → Light Energy

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free