JEE Main Semiconductor Electronics questions
7 Physics questions on Semiconductor Electronics as asked in JEE Main, newest first. 3 come with a worked solution.
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A : Photodiodes are preferably operated in reverse bias condition for light intensity measurement. Reason R…
2023 · with solution
- A message signal of frequency 5 kHz is used to modulate a carrier signal of frequency 2 MHz. The bandwidth for amplitude modulation is:
2023
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Photodiodes are used in forward bias usually for measuring the light intensity. Reason R: For a p-n…
2023
- The logic gate equivalent to the given circuit diagram is : [figure]
2023
- Which one of the following statement is not correct in the case of light emitting diodes? A. It is a heavily doped p-n junction. B. It emits light only when it is forward biased. C. It emits light only when it is…
2023 · with solution
- A modulating signal is a square wave, as shown in the figure. [figure] If the carrier wave is given as c(t) = 2 sin(8π t) volts, the modulation index is:
2023
- Statement I: When a Si sample is doped with Boron, it becomes P type and when doped by Arsenic it becomes N-type semi conductor such that P-type has excess holes and N-type has excess electrons. Statement II: When such…
2023 · with solution
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