Science Form 3 Chapter 6 Short Notes !!better!! 95%

To reduce energy loss as heat during long-distance transmission. 5. Electrical Wiring System in Homes

Below is a visual representation of how energy efficiency is calculated—the ratio of useful output to total input. Science Form 3 Chapter 6 Short Notes

To manage your bill, you need to calculate Electrical Power and Energy Efficiency. (Unit: Watts, Electrical Energy ( ): (Unit: Joule or kWhk cap W h Cost: Visualizing Efficiency To reduce energy loss as heat during long-distance

Modern homes use a single-phase (for low consumption) or three-phase (for high consumption) wiring system. Science Form 3 Chapter 6 Short Notes

(e.g., Steam/Water) → 2. Turbine (Rotates) → 3. Generator (Converts kinetic energy to electrical energy). 2. Direct Current (d.c.) and Alternating Current (a.c.)