Road signs Speed limit No right turn Slippery road No entry Traffic lights ahead No U-turn

Why do we use circuit diagrams? 9.1a Circuit diagrams Why do we use circuit diagrams?

9.1a Safety issues If using a power pack instead of cells, turn off the power when you are making, or changing, your circuits.

Set the voltage to the level your teacher tells you. 9.1a Safety issues Set the voltage to the level your teacher tells you. This also means use the correct number of cells as instructed.

9.1a Safety issues Make sure that your hands are dry, and keep water away from your circuits.

9.1a Safety issues Tell your teacher if anything looks wrong with your equipment, especially if any wires have metal showing

Be careful in case any components (parts of the circuit) get hot. Don’t leave the circuit connected and switched on if you have finished using it.

Check your circuit diagrams against these: 9.1a Circuit diagrams (answers) Check your circuit diagrams against these: Circuit A

9.1a Circuit diagrams (answers) Circuit B

9.1a Circuit diagrams (answers) Circuit C

9.1a Circuit diagrams (answers)

9.1a Circuit diagrams (answers) Circuit E