15 JEE Main 2020 Semiconductors previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Semiconductors chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Semiconductors chapter hub.
Identify the correct output signal Y in the given combination of gates (as shown n ) for the given inputs A   a n…
The output characteristics of a transistor is shown in the figure. When V CE is 10 V and I C = 4 .0   mA , then v…
Boolean relation at the output stage- Y for the following circuit is:
In the circuit shown below, is working as a 8   V   d c regulated voltage source. When 12   V is used as…
Identify the operation performed by the circuit given below :
If a semiconductor photo diode can detect a photon with a maximum wavelength of 400   nm , then its band gap energ…
Both the diodes used in the circuit shown are assumed to be ideal and have negligible resistance when these are forward…
Two Zener diodes ( A and B ) having breakdown voltages of 6   V and 4   V respectively, are connected as show…
With increasing biasing voltage of a photo diode, the photocurrent magnitude:
Take the breakdown voltage of the zener diode used in the given circuit as 6 V . For the input voltage shown in the fig…
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