Big Ideas: More info...
It is essential to become well-versed in the use of an oscilloscope for displaying voltages. If you have access to more than...
Class practical: finding an internal resistance of a supply from the power dissipated by a load resistance.
Demonstration: opening up discussion of the difference between potential difference (PD) and electromotive force (EMF).
The batteries commonly used in school science practical work are torch batteries rated at 1.5 volt . If two of these batteries...
The starting point for the theory can be either Kirchhoff’s second law or conservation of energy in the circuit (the same...
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