Physics — Electricity and Magnetism

Parallel circuits and resistanceSign up

Describe how current divides in parallel circuits. · Know how to measure current and voltage in series and parallel circuits, and describe the effect of adding cells and lamps. · Calculate resistance (resistance = voltage / current) and describe how resistance affects current. · Use diagrams and conventional symbols to represent, make and compare circuits that include cells, switches, resistors (fixed and variable), ammeters, voltmeters, lamps and buzzers.