Science - Electronics

Card Set Information

Author:
mshowley
ID:
152353
Filename:
Science - Electronics
Updated:
2013-03-12 18:05:56
Tags:
Electronics
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Description:
Electronics
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  1. What is the function of a diode?
    To let electric current flow in one direction only
  2. What is a Light Emitting Diode (LED)?
    It is a diode that gives out light when a current flows through it
  3. State a use of an LED
    It shows when an electrical appliance is switched on
  4. What is a Light Dependent Resistor (LDR)?
    It is a resistor that responds to light in an electric circuit
  5. State a use of an LDR
    It is used to turn on lights when it gets dark

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