1
JEE Main 2021 (Online) 22th July Evening Shift
Numerical
+4
-1
Change Language
In a given circuit diagram, a 5 V zener diode along with a series resistance is connected across a 50 V power supply. The minimum value of the resistance required, if the maximum zener current is 90 mA will be __________ $$\Omega$$.

JEE Main 2021 (Online) 22th July Evening Shift Physics - Semiconductor Question 93 English
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2
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
Change Language
A zener diode having zener voltage 8 V and power dissipation rating of 0.5 W is connected across a potential divider arranged with maximum potential drop across zener diode is as shown in the diagram. The value of protective resistance Rp is .................... $$\Omega$$.

JEE Main 2021 (Online) 20th July Evening Shift Physics - Semiconductor Question 95 English
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3
JEE Main 2021 (Online) 20th July Evening Shift
Numerical
+4
-1
Change Language
For the forward biased diode characteristics shown in the figure, the dynamic resistance at ID = 3 mA will be __________ $$\Omega$$.

JEE Main 2021 (Online) 20th July Evening Shift Physics - Semiconductor Question 94 English
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4
JEE Main 2021 (Online) 18th March Evening Shift
Numerical
+4
-1
Out of Syllabus
Change Language
The typical output characteristics curve for a transistor working in the common-emitter configuration is shown in the figure.

JEE Main 2021 (Online) 18th March Evening Shift Physics - Semiconductor Question 98 English
The estimated current gain from the figure is __________.
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