AQA Trilogy GCSE Science - Science

5. Generator effect

Mission Objectives

Define the generator effect

Describe the factors that affect the size of an induced current

Describe the factors that affect the direction of an induced current

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Keywords

Words and meanings to learn

conductor

a material that allows electric charge (current) or thermal energy to flow through it easily due to the presence of free electrons

induced

when a voltage (potential difference) or current is created in a conductor because it is moved through a magnetic field, or when a magnetic field around the conductor changes

current

the rate of flow of electric charge in a circuit; it is measured in amperes (A) and occurs when electrons move through a conductor

generator

a device that converts kinetic energy (motion) into electrical energy using electromagnetic induction; generators produce a current when a coil of wire is rotated within a magnetic field

potential difference

the energy transferred per unit charge between two points in a circuit; it is also called voltage and is measured in volts (V)

This lesson has been written by

Samantha Batch

Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders. 

Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!

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