Dark Activated Switch circuit using LDR X1 9v Relay R2 1kQ COM 230v 100W V2 D1 R1 IN4007 50ka LED NO INC 230v AC .V1 -9-12v Q1 2N2222A Dark Sensor LDR Fig(3) Procedure 3-obstruct the light on LDR ,you see the led will be light ,explain the situation. 4-connect the circuit in fig3 which is the same of above plus relay .use a(12v) car lamp. 5- convert the circuit to be sensitive to light 5- What is the difference between the circuit using one transistor and tow transistor ? 11
Dark Activated Switch circuit using LDR X1 9v Relay R2 1kQ COM 230v 100W V2 D1 R1 IN4007 50ka LED NO INC 230v AC .V1 -9-12v Q1 2N2222A Dark Sensor LDR Fig(3) Procedure 3-obstruct the light on LDR ,you see the led will be light ,explain the situation. 4-connect the circuit in fig3 which is the same of above plus relay .use a(12v) car lamp. 5- convert the circuit to be sensitive to light 5- What is the difference between the circuit using one transistor and tow transistor ? 11
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Transcribed Image Text:(3)
Dark Activated Switch circuit using LDR
X1
9v Relay
R2
1kQ
COM
230v 100W
V2
D1.
SR1
50KQ
1N4007
NO
INC
LED
230v AC
V1
-9-12v
Q1
2N2222A
Dark Sensor
LDR
Fig(3)
Procedure
3-obstruct the light on LDR ,you see the led will be light ,explain the situation.
4-connect the circuit in fig3 which is the same of above plus relay .use a(12v) car lamp.
5- convert the circuit to be sensitive to light
5- What is the difference between the circuit using one transistor and tow transistor ?
11
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