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1
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
For the forward biased diode characteristics shown in the figure, the dynamic resistance at ID = 3 mA will be __________ $$\Omega$$.

2
JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure.

The estimated current gain from the figure is __________.
3
JEE Main 2021 (Online) 18th March Morning Shift
Numerical
+4
-1
An npn transistor operates as a common emitter amplifier with a power gain of 106. The input circuit resistance is 100$$\Omega$$ and the output load resistance is 10 K$$\Omega$$. The common emitter current gain '$$\beta$$' will be ________. (Round off to the Nearest Integer).
The value of power dissipated across the zener diode (Vz = 15V) connected in the circuit as shown in the figure is x $$\times$$ 10$$-$$1 watt.