JAMB - Physics (2010 - No. 41) | ExamPlay

JAMB - Physics (2010 - No. 41)

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

5 A

4 A

3 A

2 A

Maelezo

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

Maoni (0)

Tangazo