2022 CAIE AS & A level February March Physics Paper 12 Q. No. 36 (9702/12/F/M/22) by Sajit Chandra Shakya from Nepal A cell has an electromotive force (e.m.f.) of 8.0 V and negligible internal resistance. The cell forms part of a circuit, as shown. The reading V1 is 4.0 V and the reading V2 is also 4.0 V. What is the resistance of resistor R?