#4.2.3a
resistance; \(R = \dfrac{V}{I} \); the unit ohm
Learners will also be expected to recall this equation.
#4.2.3b
Ohm’s law
#4.2.3c
(i) I–V characteristics of resistor, filament lamp, thermistor, diode and light-emitting diode (LED)
(ii) techniques and procedures used to investigate the electrical characteristics for a range of ohmic and non-ohmic components.
PAG3
#4.2.3d
light-dependent resistor (LDR); variation of resistance with light intensity.