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1
JEE Main 2021 (Online) 27th August Morning Shift
Numerical
+4
-1
A circuit is arranged as shown in figure. The output voltage V0 is equal to ................... V.

JEE Main 2021 (Online) 27th August Morning Shift Physics - Semiconductor Question 50 English
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2
JEE Main 2021 (Online) 26th August Evening Shift
Numerical
+4
-1
If the maximum value of accelerating potential provided by a ratio frequency oscillator is 12 kV. The number of revolution made by a proton in a cyclotron to achieve one sixth of the speed of light is ...............

[mp = 1.67 $$\times$$ 10$$-$$27 kg, e = 1.6 $$\times$$ 10$$-$$19C, Speed of light = 3 $$\times$$ 108 m/s]
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3
JEE Main 2021 (Online) 26th August Evening Shift
Numerical
+4
-1
For the given circuit, the power across Zener diode is .............. mW.

JEE Main 2021 (Online) 26th August Evening Shift Physics - Semiconductor Question 51 English
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4
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
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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