Basic Electricity END
2
3 Cable and wire construction 1. Single core wire. 2. Single core multi-strand wire. 3.Two core multi-strand wire.
4 P VI Power Formula P = V x I V = P / I I = P / V
5 36 watt Bulb How much Current is needed to power the bulb ? P V I P / V = I 36 / 12 = 3 amps 12V
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7 Types of Fuses Fuse Links
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9 SWITCHES
10 PRESSURE SENDER
11 TEMPERATURE SENSORS
a Inside a 5 pole Relay 85. Switched 12 volts 86. To earth volt supply 87a. Unswitched 12 volt output 87. Switched 12 volt output RELAYS
13 A standard flasher unit FLASHERS
14 Potentiometer POTENTIOMETERS
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16 Fuel tank sensor unit 1. Return pipe 2. Potentiometer 3. Float 4. Suction pipe
17 DIODE Symbol for a diode
18 ZENER DIODE
19 A solenoid attached to a hydraulic spool SOLENOIDS
20 PWM Valve Pulse Width Modulating Valve P.W.M. valve
21 Shaft speed sensor
22 Speed And Position Sensors
23 Water in fuel sensor WATER IN FUEL SENSOR
24 Resistance devices RESISTANCE DEVICES
25 Load sensing pin 1. Hollow tube 2. Load sensing core 3. Wire coils 4. Circuit board 5. Wasted section LOAD SENSING PINS
26 Radar gun How Doppler shift works A. Output signal B. Reflected signals
27 How the signal is processed 1. Horn antenna 2. Transceiver 3. Bandpass amplifier 4. Signal processing 5. Output signal generator 6. Buffer amplifier 7. Pulsed signal out
28 A processor showing its pin contacts ELECTRONIC MODULES