JEE Main 2018 — Semiconductors Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
In a common emitter configuration with suitable bias, it is given than is the load resistance and is small signal dynamic resistance (input side). Then, voltage gain, current gain and power gain are given, respectively, by:
[ is current gain, are respectively base, collector and emitter currents]
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Current gain
Voltage gain Current gain Resistance gain
Power gain Resistance gain
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Semiconductors chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2018, covering the Semiconductors chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.