MCQ
Zener diode acts as a/an
- Aoscillator
- ✓regulator
- Crectifier
- Dfilter
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$Y :$ The resistivity of a semiconductor decreases with increases of temperature.
$Z :$ In a conducting solid, the rate of collision between free electrons and ions increases with increase of temperature.
Select the correct statement from the following :
