ac completely covers all question-types since 2003 ac exposes all atricka questions ac provides step-by-step solutions ac refreshing reverse-engineering approach to learning ac most efficient method of learning, hence saves time ac examples arrange from easy-to-hard to facilitate easy absorption ac advanced trade book ac complete edition and concise edition eBooks availableExample 5 Explain how athermistora and alight-dependent resistora are used in an electronic circuit. Solution: When the surrounding ... 7 Buzzer The diagram above shows a light-sensitive alarm which uses a lightdependent resistor (LDR), a reed relay and a buzzer. Describe how this circuit works. LDR Reed relay Solution:anbsp;...
|Title||:||GCE O-level Physics Demanding Learn-by-Example (Yellowreef)|
|Author||:||Thomas Bond, Chris Hughes|
|Publisher||:||Yellowreef Limited - 2013-11-22|