Learning Outcomes:


Candidates should be able to:

(i) state the definition that resistance = p.d. / current


(j) apply the relationship R = V/I to new situations or to solve related problems


(k) describe an experiment to determine the resistance of a metallic conductor using a voltmeter and an ammeter, and make the necessary calculations


(l) recall the relationship of the proportionality between resistance and the length and cross-sectional area of a wire

 

(m) *apply the relationship between resistance, length and cross-sectional area of a wire to new situations or to solve related problems


(n) recall the formulae for the effective resistance of a number of resistors in series and in parallel


(o) apply the formulae for the effective resistance of a number of resistors in series and in parallel to new situations or to solve related problems


(p) *sketch and interpret the V/I characteristic graph for a metallic conductor at constant temperature and for a filament lamp