JEE Main 2020 (Online) 7th January Morning Slot | Semiconductor Question 138 | Physics

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)

-1

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) 12th April Morning Slot

MCQ (Single Correct Answer)

-1

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