P. 4127. A battery of electromotive force 6 V and of internal resistance 8  and a rechargeable battery of e.m.f. 6 V and of negligible internal resistance are connected in series.

a) What is the resistance of the resistor which is to be connected to the system in order to measure a voltage of 6 V across it?

b) What is the terminal voltage across the battery in this case?

(4 points)

Deadline expired.

Statistics on problem P. 4127. 112 students sent a solution. 4 points: 71 students. 3 points: 8 students. 2 points: 20 students. 0 point: 6 students. Unfair, not evaluated: 7 solutions.