Home › CBSE Class 12 (Science) › Physics › Semiconductor Electronics: Materials, Devices and Simple Circuits › Zener diodes protect circuits chiefly against wh…
Zener diodes protect circuits chiefly against which hazard?
AUndervoltage
BMagnetic fields
CLow frequency
DOvervoltage
Answer & Solution
Correct answer: D. Overvoltage
A Zener clamps the voltage at its breakdown value, shielding circuits from voltage spikes such as electrostatic discharge.
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