Energy can flow and the lamp lights up. When the switch is tuned off, the circuit is open so the electrical energy stops flowing. Circuit symbols are really useful when designing the electrical ...

Sales and marketing director at BYD UK, Steve Beattie, said: “As more people make the switch to electric ... symbols are a big part of that. While familiar icons like the low battery light ...

the switch will close, setting off our alarm! Practise drawing the following series circuits using symbols: A simple circuit with a bulb and battery. A series circuit where the bulb doesn't light ...