When a resistor of resistance R is connected across a cell, the terminal p.d of the cell is reduced to three-quarters of its e.m.f. The internal resistance of the cell is expressed as? by Sunday | Aug 28 | Physics WAEC | 0 comments A. R/4 B. R/3 C. R/2 D. 3R/4 E. 3R Correct Answer: Option B – R/3 Users Also Read These:A battery of e.m.f. 12.0V and internal resistance…Three cells each of emf, 1.0 V, and internal…A cell of emf 1.5V is connected in series with a 1Ω…A battery of emf 24V and internal resistance 4Ω is…A cell of e.m.f. 1.5v is connected in series with a…