Basics of electricity (AQA A-Level Physics): Flashcards

Flow of charge per unit time

$I = \frac{\Delta Q}{\Delta t}$

Amperes ($A$)

Energy transferred per unit charge

$V = \frac{W}{Q}$

Volts ($V$)

Opposes flow of charge in circuit

$R = \frac{V}{I}$

Ohms ($\Omega$)

Less current passes for same voltage