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unit 4
electricity and magnetism
five subtopics covering key electricity topics.
written by vaibhav and bamb-boo
4.1
simple phenomena of magnetism
magnetic fields and forces. magnetic materials. electromagnetic induction.
4.2
electrical quantities
current, voltage and resistance. ohm's law. power and energy.
4.3
electric circuits
series and parallel circuits. components in circuits. circuit diagrams.
4.4
electrical safety
electrical safety. fuses and circuit breakers.
4.5
electromagnetic effects
electromagnetic induction. motors and generators.