Exam-style question
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What happens to the total resistance in a circuit when resistors are connected in series?.
- A.The total resistance decreases.
- B.The total resistance increases.
- C.The total resistance remains the same.
- D.The total resistance becomes zero.
Model answer
What a good answer should say
- The total resistance increases.
Explanation
Why this works
In a series circuit, the total resistance is the sum of the individual resistances. Therefore, adding more resistors increases the total resistance.
Common mistake
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