16 JEE Main 2019 Semiconductors previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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.
G e and S i diodes start conducting at 0.3   V and 0.7   V respectively. In the following figure if G e diode…
Figure shows a D C voltage regulator circuit, with a Zener diode of breakdown voltage = 6   V . If the unregulated…
A common emitter amplifier circuit, built using an NPN transistor, is shown in the figure. Its dc current gain is 250 ,…
The figure represents a voltage regulator circuit using a Zener diode. The breakdown voltage of the Zener diode is 6 &#…
An N P N transistor is used in common emitter configuration as an amplifier with 1   k Ω load resistance. Sig…
The transfer characteristic curve of a transistor, having input and output resistance 100 Ω and 100 k Ω respectively, i…
An NPN transistor operates as a common emitter amplifier, with a power gain of   60   d B . The input circuit…
In the given circuit the current through Zener Diode is close to:
The circuit shown below contains two ideal diodes, each with a forward resistance of 50 Ω. If the battery voltage is 6…
To get output '1' at R , for the given logic gate circuit the input values must be:
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