Mathematics involving energy consumption
Energy is defined as the capacity to do work and exists in many forms. In Prelim Standard Maths, the most common unit used in energy consumption relates to power.
What are power ratings and how to convert between watts and kilo-watt hours
The video below explains the different units involved with power and what power ratings mean.
How to calculate the costs of running different appliances
The following video explains how to calculate the costs of running different appliances when given their power rating and the cost of electricity.
Still struggling with understanding energy?
The following video explains in greater detail what energy is and why we need to understand it. This video will help anyone who is struggling to understand the above concepts!