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A cell of e.m.f 12V and internal resistance 4Ω is connected to an external ...

A cell of e.m.f 12V and internal resistance 4Ω is connected to an external resistor of resistance 2Ω. Find the current flow.
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 5 A
  • B 4 A
  • C 3 A
  • D 2 A
Correct Answer: Option D
Explanation:

I = E/(R+r)

= 12/6 = 2A

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