Which of these is an output device?
Switch
Thermistor
Light-emitting diode (LED)
Which of these is a twisting force?
Compression
Torsion
Tension
How are components attached to a printed circuit board (PCB)?
Welded
Soldered
Glued
Prototype electrical products would use which type of production method?
One-off
Mass production
Continuous production
Which forming method forces molten plastic in a mould?
Casting
Vacuum forming
Injection moulding
What is laser cutting is a form of?
Wastage
Addition
Forming
How does wave soldering work?
It solders from beneath, soldering the pins of components
It is soldering done by workers using a soldering iron
It is where pre-glued solder is placed in an oven to melt it into place
What is resistance measured in?
Ohms (Ω)
Volts (V)
Millimetres (mm)
Which of these is a type of spring?
Chain
Gear
Which metal are circuit boards made from?
Aluminium
Copper
Steel