This Success Revision Guide offers accessible content to help students manage their revision and prepare for the exam efficiently. The content is broken into manageable sections and advice is offered to help build students' confidence. Exam tips and techniques are provided to support students throughout the revision process.They are used in temperature-sensitive circuits, e.g. fire alarms and thermostats. Simple burglar alarm ] If the burglar turns on the light the resistance of the LDR falls. Current now flows around the circuit and the buzzer sounds light-dependent anbsp;...
Title | : | GCSE Edexcel Science Foundation Success Revision Guide |
Author | : | |
Publisher | : | Letts and Lonsdale - 2006-08-01 |
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