JAMB Physics 2009 Objective — Question 50
Question 50 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2009 Objective paper, with the correct answer and a full explanation.
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50. I. For current amplification II. For voltage stabilization III. For power amplification IV. As a switch. Which of the above are uses of a transistor?
- A. I, II, III
- B. I, III and IVCorrect
- C. I, II and IV
- D. II, III and IV
Explanation
A transistor is used for current amplification, power amplification and as a switch (I, III and IV). Voltage stabilization is typically the role of a Zener diode.
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