A cell of emf 12 V and internal resistance 1 Ω drives a 8 Ω resistor. What is the current?

Answer and explanation

Correct answer: A. A

  1. Step 1: Total resistance Ω.
  2. Step 2: A.
Answer
A.
Why not the others: A: The internal resistance was ignored. A: Only the internal resistance was used. A: The internal resistance was subtracted.

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