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 cell of e.m.f 1.5V and internal resistance 2.552…A cell of e.m.f. 1.5V is connected in series with a…A cell of e.m.f. 1.5V is connected in series with a…A battery of e.m.f. 12.0V and internal resistance…A chemical cell of internal resistance 1Ω supplies…