Problem P. 4127. (January 2009)
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?
Deadline expired on 11 February 2009.
|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.|