A cell of e.m.f 12V and internal resistance 4Ω is connected to an external resistor of resistance 2Ω. Find the current flow.

By: |Published on: Nov 9|Categories: Physics JAMB| 0 comments

A. 5 A
B. 4 A
C. 3 A
D. 2 A

Correct Answer:

Option D = 2 A

Explanation

I = E/(R+r)
= 12/6 = 2A

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