This series is for schools following OCR A double or separate award for GCSE science. The resources offer preparation for the OCR exams with teacher support to minimise the amount of time spent on administration and maximise the time available for teaching. In addition, the teacher's resources are available on CD-ROM in a fully customizable format to meet the needs of individual students.Light dependent resistor A light dependent resistor (LDR) is made of cadmium sulphide. ... Q 5 Using the correct symbols draw a circuit diagram of a 12V power supply in series with a protective resistor and a conducting LED. If it is not to beanbsp;...
|Title||:||Physics for OCR A for Double Award|
|Author||:||Sandra Mitchell, Chris Sherry|
|Publisher||:||Heinemann - 2001|