current has multiple paths to follow, broken circuit may not stop electrical flow, voltage is same throughout each resistor, current adds for each
Back
voltage in circuits
Front
parallel: V=V1=V2=V3=...
(voltmeters only for voltage)
series: V=V1+V2+V3+...
Back
voltmeter
Front
measures voltage (Volts)
Back
ammeter symbol
Front
Back
current
Front
flow of positive charges in theory but flow of negative charges in real life, a river of electrical energy that moves through a wire, must have a closed continuous loop to work, number of charges that travel per second (Amps) I=q/t
Back
voltmeter symbol
Front
Back
Ohm's law
Front
Ohm defined how current (amps), voltage (volts), and resistance (Ohms Ω) relate