waecE-LEARNING
Electronics Paper 2, May/June 2011  
Questions: 1 2 3 4 5, 6 &7 8 9 10 Main
General Comments
Weakness/Remedies
Strength
















Question 1
  1.  Explain the term thermionic emission.
  2.  Sketch and label the circuit symbol of the pentode valve.
  3.  State two advantages of the pentode valve over the triode valve.


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