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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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10
MCQ2 marks

While studying the Simmons-Smith cyclopropanation reaction in chemistry, it is noted that zinc-copper couple is used. In physics, what is the equivalent resistance of two resistors R1=10 ΩR_1 = 10\text{ }\Omega  and R2=10 ΩR_2 = 10\text{ }\Omega  connected in parallel? \n\n

Rendering diagram…

  • A.20 Ω20\text{ }\Omega
  • B.5 Ω5\text{ }\OmegaCorrect
  • C.10 Ω10\text{ }\Omega
  • D.100 Ω100\text{ }\Omega
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