Medium· Zener diode, LED, photodiode, solar cell· +4 / −1
In the voltage regulator circuit shown below, the reverse breakdown voltage of zener diode is 5 V and power dissipated across it is 100 mW. Find



A transistor is used in an amplifier circuit in common emitter mode. If the base current changes by 100\ μA , it brings a change of 10\ mA…
JEE Mains 2022 June 29 Shift 1 · Medium
A potential barrier of 0.4\ V exists across a p-n junction. An electron enters the junction from the n-side with a speed of 6.0×10^5\ m…
JEE Mains 2022 June 29 Shift 2 · Hard
For the following gate, the output Y is given by :
JEE Mains 2022, June 28 - Shift 1 · Easy