JEE Main 202124 FebruaryEvening Shift
- Exam
- JEE Main
- Year
- 2021
- Date
- 24 February
- Shift
- Evening Shift
- Subject
- Physics
- Chapter
- Semiconductors
JEE Main 2021 · 24 February · Evening Shift · Physics · Semiconductors
Given below are two statements: Statement I : p - n junction diodes...
Given below are two statements:
Statement I : junction diodes can be used to function as a transistor, simply by connecting two diodes, back to back, which acts as the base terminal
Statement II: In the study of transistors, the amplification factor indicates ratio of the collector current to the base current.
In the light of the above statements, choose the correct answer from the options given below.
Options
- ABoth Statement I and Statement II are false
- BStatement I is true but Statement II is false
- CStatement I is false but Statement II is true
- DBoth Statement I and Statement II are true
Correct answer
C. Statement I is false but Statement II is true
Step-by-step solution
S-1 Statement 1 is false because in case of two discrete back to back connected diodes, there are four doped regions instead of three and there is nothing that resembles a thin base region between an emitter and a collector.
S-2 Statement-2 is true, as
S-2 Statement-2 is true, as