AQA GCSE & Tril Physics circuit symbols and vocab Flashcard

Front

Component needed to push electrons in a circuit.

Back

cell

Front

Enables current in a circuit to be switched on/off.

Back

switch

Front

A thin wire that resists current and glows red.

Back

bulb

Front

Allows current to pass in one direction only.

Back

diode

Front

Emits light when current flows

Back

LED

Front

Measures current (I):

Back

Ammeter

Front

Measures potential difference.

Back

Voltmeter

Front

Limits current in a circuit

Back

Fixed resistor

Front

Current variation in a circuit

Back

Variable resistor

Front

Designed to melt and break the circuit if current is too high.

Back

fuse