The characateristic graph of filament , diode , metallic conductor at constant temperature. .The I-V graph.
The temperature characteristic of the thermistor.
Define e.m.f and potential difference. Distinguish their difference in terms of energy considerations.
Define resistance and the ohm , pd and the volt , charge and the coulomb
The internal resistance of battery, how to calculate terminal pd and power output.
Potential divider and potentiometer
See page 138 Q18
Option A : XY vary from 3V to 6V
Option B: XY vary from 0V to 3V
Option C : XY vary from 3V to 6V
Option D : XY vary from 3V to 6V
