1
JEE Main 2021 (Online) 27th August Evening Shift
Numerical
+4
-1
A zener diode of power rating 2W is to be used as a voltage regulator. If the zener diode has a breakdown of 10 V and it has to regulate voltage fluctuated between 6 V and 14 V, the value of Rs for safe operation should be ___________ $$\Omega$$.

JEE Main 2021 (Online) 27th August Evening Shift Physics - Semiconductor Question 47 English
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2
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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3
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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4
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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