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 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 and internal resistance of…A chemical cell of internal resistance 1Ω supplies…Three cells each of emf, 1.0 V, and internal…