Diodes allow current to flow in one direction only. - PowerPoint PPT Presentation

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Diodes allow current to flow in one direction only.

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Diodes allow current to flow in one direction only. They have a very high resistance in the reverse direction. 2. Light dependent resistor (ldr) – PowerPoint PPT presentation

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Title: Diodes allow current to flow in one direction only.


1
Diodes allow current to flow in one direction
only. They have a very high resistance in the
reverse direction.
2. Light dependent resistor (ldr)
4
An LDRs resistance decreases as the amount of
light falling on it increases. USE
street lights
2. Thermistor
5
A thermistors resistance decreases as the
temperature rises.
USE temperature sensor, fire alarm
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