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JAMB Physics 1990 Question 49

Question 49

Electronics

Which of the following graphs represents a voltage current characteristic curve for a diode?

Diagram for this question
  1. A.A
  2. B.B
  3. C.C
  4. D.D
Show the answer and explanation

Answer: B (B)

Explanation

A diode passes almost no current until the forward voltage is large enough, then the current rises steeply: a curve like B.