GCSE AQA Fractions - AQA Fraction arithmetic Fractions are used commonly in everyday life, eg sale prices at 1/3 off, or recipes using 1/2 a tablespoon of an ingredient. Knowing how to use ...

Key fact To write one number as a percentage of another, create an equivalent fraction where the denominator is 100.

A simple equivalent-circuit model is developed for a wireless energy-transfer system via coupled magnetic resonances, and a practical design method is also provided. Node equations for the resonance ...

In this paper, a simple equivalent circuit of parallel conducting strip arrays is proposed. The equivalent circuit is a hybrid circuit which consists of a parallel LC circuit and a series inductor.