Page 95 - Big Ideas Year 10 sciPAD 2025

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SCIPAD - BIG IDEAS - BOOK 2
CIRCUITS AND MAGNETS
7. Using the word list below, complete the following sentences. Assume all bulbs are identical.
dimmer - flow - go out - the same - splits - glow
Two light bulbs in series with one cell will glow than the same
circuit with only one bulb. If one of the bulbs in a series circuit burns out the other bulbs
will . The current must through each bulb,
one after the other.
Two bulbs in parallel with one cell will glow with brightness.
If one of the bulbs in parallel burns out, the other bulbs will continue to .
The current , then flows through each bulb before joining up
again.
4. (a) Fill in the table for the circuit below, stating whether the bulb is “ON” or “OFF”. The
first one has been done for you.
(b) Finish this sentence (using the words ‘Switch A’, ‘Switch B’ in your answer):
To get the bulb to light up you can
5. (a) Complete the table for this circuit:
(b) Would it matter if the bulb was on the right-hand side of the circuit?
(c) Explain your answer to (b) above. 

6. Fill in the table for the circuit below, stating whether the bulb is “ON” or “OFF” when the
switches are closed. The first one is done for you.
A
B
A B
A
B
Switch A Switch B Bulb
Open Open Off
Open Closed
Closed Open
Closed Closed
Switch A Switch B Bulb
Open Open Off
Open Closed
Closed Open
Closed Closed
Switch A Switch B Bulb
Open Open Off
Open Closed
Closed Open
Closed Closed
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