This test is run by .
Note that your final mark will not be saved in the system.
Note that your final mark will not be saved in the system.
3.2 Electronic and mechanical systems MatchUp
Target Level
4-5
Running Total
0
0%
Attempt
1 of 3
Drag each of the top boxes to its matching pair. You must match all the pairs before clicking ‘Check'!
Lacquer
DIL socket
Lock nut
Washer
LDR
Ferric chloride
Integrated circuit
Amps
Thermistor
Wire strippers
A form of resistor which senses heat
A type of mechanical fixing that resists coming loose because of vibrations
A tool used to remove the outer layer of plastic on an insulated cable
A component that is soldered directly to the PCB to hold chips
A form of resistor which senses light
A component used to spread the load and protect surfaces
The solution used to etch copper coated PCBs
Current is measured in these units
A small component which is made up from thousands of minute resistors, diodes and transistors
A type of surface finish applied to PCBs to help protect them