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Central Board of Secondary Education · English · Class 10 · Science

Board exam · Science · 2026

15 questions · One at a time

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5
MCQ2 marks

Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be:

  • A.1:21:2
  • B.2:12:1
  • C.1:41:4Correct
  • D.4:14:1
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