Register

Recent questions tagged zener-diode

0 0 votes
1 1 answer
332
332 views
GATE ECE 2026 | Question: 4
Consider carrier transport in a Zener diode in the breakdown region.Which is the dominant transport mechanism for current flow in this case?DriftDiffusionTunnelingBallist...
1 1 vote
0 0 answers
2.8k
2.8k views
GATE ECE 2024 | Question: 25
As shown in the circuit, the initial voltage across the capacitor is $10 \mathrm{~V}$, with the switch being open. The switch is then closed at $t=0$. The total energy di...
0 0 votes
0 0 answers
639
639 views
GATE ECE 2019 | Question: 38
In the circuit shown, the breakdown voltage and the maximum current of the Zener diode are $20\:V$ and $60\:mA$, respectively. The values of $R_{1}$ and $R_{L}$ are $200\...
User Avatar
1 1 vote
0 0 answers
477
477 views
GATE ECE 2016 Set 3 | Question: 39
The $I-V$ characteristics of the zener diodes $D1\:\text{and}\:D2$ are shown in Figure I. These diodes are used in the circuit given in Figure II. If the supply voltage i...
0 0 votes
0 0 answers
521
521 views
GATE ECE 2016 Set 2 | Question: 40
In the opamp circuit shown, the Zener diodes $Z1$ and $Z2$ clamp the output voltage $V_{0}$ to $+5V$ or $-5 V$. The switch $S$ is initially closed and is opened at time $...
0 0 votes
0 0 answers
477
477 views
GATE ECE 2015 Set 1 | Question: 12
In the circuit shown below, the Zener diode is ideal and the Zener voltage is $6$ V. The output voltage $V_o$ (in volts) is ________.
0 0 votes
0 0 answers
452
452 views
GATE ECE 2018 | Question: 26
The circuit shown in the figure is used to provide regulated voltage $(5 V)$ across the $1\: k\Omega$ resistor. Assume that the Zener diode has a constant reverse breakdo...
0 0 votes
0 0 answers
653
653 views
GATE ECE 2018 | Question: 2
In the circuit shown below, the op-amp is ideal and Zener voltage of the diode is $2.5\: volts$. At the input, unit step voltage is applied, i.e. $v_{IN}\left ( t \right ...
To see more, click for the full list of questions or popular tags.