JEE Main 2019 (Online) 12th April Evening Slot | Semiconductor Question 139 | Physics

JEE Main 2019 (Online) 12th April Evening Slot

MCQ (Single Correct Answer)

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Figure shows a DC voltage regulator circuit, with a Zener diode of breakdown voltage = 6V. If the unregulated input voltage varies between 10 V to 16 V, then what is maximum Zener current? JEE Main 2019 (Online) 12th April Evening Slot Physics - Semiconductor Question 139 English

JEE Main 2019 (Online) 12th April Evening Slot Physics - Semiconductor Question 139 English

3.5 mA

1.5 mA

2.5 mA

7.5 mA

JEE Main 2019 (Online) 12th April Morning Slot

MCQ (Single Correct Answer)

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Out of Syllabus

The transfer characteristic curve of a transistor, having input and output resistance 100 $$\Omega $$ and 100 k$$\Omega $$ respectively is shown in the figure. The voltage and power gain, are respectively: JEE Main 2019 (Online) 12th April Morning Slot Physics - Semiconductor Question 140 English

JEE Main 2019 (Online) 12th April Morning Slot Physics - Semiconductor Question 140 English

5 × 10⁴, 5 × 10⁵

5 × 10⁴, 5 × 10⁶

5 × 10⁴, 2.5 × 10⁶

2.5 × 10⁴, 2.5 × 10⁶

JEE Main 2019 (Online) 12th April Morning Slot

MCQ (Single Correct Answer)

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The truth table for the circuit given in the fig. is: JEE Main 2019 (Online) 12th April Morning Slot Physics - Semiconductor Question 141 English

$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 1 & 1 & 1 \cr } } \right|$$

$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 0 \cr 1 & 0 & 0 \cr 1 & 1 & 0 \cr } } \right|$$

$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 0 & 0 \cr 1 & 1 & 0 \cr } } \right|$$

$$\left| {\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 0 & 1 & 0 \cr 1 & 0 & 1 \cr 1 & 1 & 1 \cr } } \right|$$

JEE Main 2019 (Online) 10th April Evening Slot

MCQ (Single Correct Answer)

-1

The figure represents a voltage regulator circuit using a Zener diode. The breakdown voltage of the Zener diode is 6 V and the load resistance is, R_L = 4k$$\Omega $$. The series resistance of the circuit is R_i = 1 k$$\Omega $$. If the battery voltage V_B varies from 8 V to 16 V, what are the minimum and maximum values of the current through Zener diode? JEE Main 2019 (Online) 10th April Evening Slot Physics - Semiconductor Question 142 English

JEE Main 2019 (Online) 10th April Evening Slot Physics - Semiconductor Question 142 English

0.5 mA; 8.5 mA

1.5 mA; 8.5 mA

1 mA; 8.5 mA

0.5 mA; 6 mA

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