Science - Electronics
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What is the function of a diode?
To let electric current flow in one direction only
What is a Light Emitting Diode (LED)?
It is a diode that gives out light when a current flows through it
State a use of an LED
It shows when an electrical appliance is switched on
What is a Light Dependent Resistor (LDR)?
It is a resistor that responds to light in an electric circuit
State a use of an LDR
It is used to turn on lights when it gets dark
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