1
JEE Main 2021 (Online) 26th August Evening Shift
Numerical
+4
-1
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For the given circuit, the power across Zener diode is .............. mW.

JEE Main 2021 (Online) 26th August Evening Shift Physics - Semiconductor Question 82 English
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2
JEE Main 2021 (Online) 27th July Morning Shift
Numerical
+4
-1
Out of Syllabus
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A transistor is connected in common emitter circuit configuration, the collector supply voltage is 10 V and the voltage drop across a resistor of 1000 $$\Omega$$ in the collector circuit is 0.6 V. If the current gain factor ($$\beta$$) is 24, then the base current is _____________ $$\mu$$A. (Round off to the Nearest Integer)
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3
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
Change Language
In a semiconductor, the number density of intrinsic charge carries at 27$$^\circ$$C is 1.5 $$\times$$ 1016/m3. If the semiconductor is doped with impurity atom, the hole density increases to 4.5 $$\times$$ 1022/m3. The electron density in the doped semiconductor is ___________ $$\times$$ 109/m3.
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4
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 91 English
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