Covers the content of the AQA Additional Science GCSE specification.... (closed) Lamp Diode Fuse Resistor Variable Resistor Light dependent resistor (LDR) Thermistor Voltmeter Ammeter You need ... When it is dark, it allows current through, but when more light falls on the sensor, its resistance increases and so less current is allowed through, making the light dimmer. ... How. Science. Works.
|Title||:||The Essentials of GCSE AQA Additional Science|
|Publisher||:||Letts and Lonsdale - 2006-09-01|