JCPhysicsE.m.f., internal resistance and potential dividers10–15 min
Divider Detective
Find a cell’s e.m.f. and internal resistance from V–I readings, then calibrate LDR and thermistor potential dividers.
Notice, currentExplain, nextApply, next
0 points
The experiment opens when it comes into view.
Theory and model assumptions
Find a cell’s e.m.f. and internal resistance from V–I readings, then calibrate LDR and thermistor potential dividers.
Teacher guidance
H2 Physics: D.C. circuits (e.m.f., internal resistance, potential dividers with LDRs and thermistors)
Expected time: 10–15 minutes.