English National Curriculum - Science
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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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)
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