Science - Electronics

  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
Author
mshowley
ID
152353
Card Set
Science - Electronics
Description
Electronics
Updated