CIRCUITS. ELECTRON FLOW IN CIRCUITS. In metals, electric current is a flow of electrons. How fast do these electrons move?
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Circuit diagrams are a pictorial way of showing circuits. Electricians and engineers draw circuit diagrams to help them design the actual circuits. Here is an example circuit diagram.
This is the Ammeter symbol.
This is the Voltmeter symbol.
This is the resistor symbol.
This is the battery symbol
A series circuit is one that has a single path for current flow through all of its elements.
A parallel circuit is one that requires more than one path for current flow in order to reach all of the circuit elements.SERIES AND PARALLEL CIRCUITS
To find the current, use Ohm's law
To find the voltage across any particular component