Electrical Components Flashcards
What is the definition of a Cell and Battery
‘Pushes’ the electrons around a complete circuit.
What is the definition of a Closed switch and Open switch
Break and complete a circuit, so turn on and off.
What is the definition of a Variable resistor
Allows the current in a circuit to be varied. Placed in series
within the circuit.
What is the definition of a Light emitting diode (LED)
Emits light when current passes through it. Placed in series
within the circuit.
What is the definition of a Ammeter
Used to measure current through a circuit. Placed in series
within the circuit.
What is the definition of a Fuse
A glass or ceramic canister containing a thin wire that melts
if the current gets too high. Placed in series within the circuit.
What is the definition of a Voltmeter
Used to measure potential difference (voltage) across
a component. Placed in parallel within the circuit.