A Levels Physics (9702)•9702/12/O/N/24
Explanation
Equivalent resistance depends on configuration and values
Steps:
- Identify resistor values and connections from diagrams (not provided here).
- Calculate series resistance: sum of individual resistances.
- Calculate parallel resistance: 1/R_total = sum of 1/R_i.
- Compare calculated R_total to 100Ω for each option.
Not enough information: Resistor values and circuit diagrams for A–D are missing, preventing calculation.
Why B is correct: Not determinable without details.
Why the others are wrong:
- A: Insufficient data to evaluate.
- C: Insufficient data to evaluate.
- D: Insufficient data to evaluate.
Final answer: Not enough information.
Topic: Practical circuits
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