ElectricityAQA GCSE Physics (8463)

Series and Parallel Circuits

Work through the notes, try the practice questions, then take the quiz. The report tells you exactly what to revise next. (2026)

Practice progress

6 MCQs

0 of 6 attempted

Correct

Incorrect

Remaining

1
In a series circuit, the current at one point is 0.4 A. At another point it is:
Answer & explanation
Correct: option B
Series current is the same everywhere.
2
Two resistors, 4 Ω and 6 Ω, in series. Total R is:
Answer & explanation
Correct: option C
Series: 4 + 6 = 10 Ω.
3
Three identical bulbs in parallel across a 6 V cell. The p.d. across one bulb is:
Answer & explanation
Correct: option B
Parallel: each branch sees the full supply p.d.
4
Three resistors (5 Ω, 10 Ω, 20 Ω) in parallel. Their combined R is:
Answer & explanation
Correct: option C
Parallel total is less than the smallest individual R (5 Ω).
5
If one bulb in a parallel circuit breaks, the others:
Answer & explanation
Correct: option C
Other branches still have a complete path back to the cell.
6
UK domestic wiring is parallel because:
Answer & explanation
Correct: option B
Parallel gives full 230 V to every socket and tolerates failures.

ElectricityAQA GCSE Physics (8463)

Work through the notes, try the practice questions, then take the quiz. The report tells you exactly what to revise next. (2026)

6 MCQs

0 of 6 attempted

Correct

Incorrect

Remaining

1
In a series circuit, the current at one point is 0.4 A. At another point it is:
Answer & explanation
Correct: option B
Series current is the same everywhere.
2
Two resistors, 4 Ω and 6 Ω, in series. Total R is:
Answer & explanation
Correct: option C
Series: 4 + 6 = 10 Ω.
3
Three identical bulbs in parallel across a 6 V cell. The p.d. across one bulb is:
Answer & explanation
Correct: option B
Parallel: each branch sees the full supply p.d.
4
Three resistors (5 Ω, 10 Ω, 20 Ω) in parallel. Their combined R is:
Answer & explanation
Correct: option C
Parallel total is less than the smallest individual R (5 Ω).
5
If one bulb in a parallel circuit breaks, the others:
Answer & explanation
Correct: option C
Other branches still have a complete path back to the cell.
6
UK domestic wiring is parallel because:
Answer & explanation
Correct: option B
Parallel gives full 230 V to every socket and tolerates failures.