WB JEE 2023 | Electronic Devices Question 6 | Physics

WB JEE 2023

MCQ (Single Correct Answer)

-0.25

WB JEE 2023 Physics - Electronic Devices Question 3 English

Consider the logic circuit with inputs A, B, C and output Y. How many combinations of A, B and C gives the output Y = 0 ?

WB JEE 2022

MCQ (Single Correct Answer)

-0.25

A Zener diode having break down voltage Vz = 6V is used in a voltage regulator circuit as shown in the figure. The minimum current required to pass through the Zener to act as a voltage regulator is 10 mA and maximum allowed current through Zener is 40 mA. The maximum value of R_s for Zener to act as a voltage regulator is

WB JEE 2022 Physics - Electronic Devices Question 8 English

100 $$\Omega$$

400 $$\Omega$$

0.4 $$\Omega$$

950 $$\Omega$$

WB JEE 2022

MCQ (Single Correct Answer)

-0.25

The expression $$\overline A (A + B) + (B + AA)(A + \overline B )$$ simplifies to

A + B

$$\overline {A + B} $$

$$\overline A + \overline B $$

WB JEE 2021

MCQ (Single Correct Answer)

-0.25

WB JEE 2021 Physics - Electronic Devices Question 10 English

What is the value of current through the diode in the circuit given?

Zero

1 mA

19 mA

9 mA

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