P5 Electrical Systems
Challenging Question on Electricity
This science revision note aims to help your child
– understand how different electric components work.
– Imagine which pathway electric current flow in different circuits.
But before you read on, you might want to download this entire revision notes in PDF format to print it out for your child, or to read it later.
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Akash set up a circuit and tested it by opening and closing different switches. He recorded his results in the table below.
Which of the following circuits did Akash set up?
STEP 1
Look at each of the options and go through each combination of switches to determine whether the number of lighted bulbs matches.
Tip: Use a pencil to draw the circuit formed when the respective switches are closed to easily visualise the circuit!
STEP 2
Analyse each option
Option 1
Option 2
Option 3
Option 4
FINALLY, choose the correct answer
The answer is 4.
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