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JAMB Physics 2018 past questions and answers

1 questions. Try each one, then open the answer to check yourself and read the explanation.

Question 6

Current Electricity

What is the resultant resistance of the circuit given above?

Diagram for this question
  1. A.8Ω
  2. B.11Ω
  3. C.4Ω
  4. D.3.6Ω
Show the answer and explanation

Answer: A (8Ω)

Explanation

The two 2 Ω resistors in parallel give 1 Ω. Adding the 3 Ω and 4 Ω in series: 3 + 1 + 4 = 8 Ω.

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