Electromotive force is energy per coulomb
Kirchhoff’s first law: charge is never stored at a junction
Kirchhoff’s second law: the loop adds up
Parallel gives less than the smallest
A cell keeps some of its own e.m.f.
Two resistors split the voltage
A divider that senses temperature
The potentiometer draws no current at balance
Complex to simple: reducing a network before you solve it
Solving a circuit the series and parallel rules cannot touch
What an ammeter and a voltmeter are actually made of
Arranging cells: more in series is not always more current
One exam question, end to end
D.C. circuits: quick revision