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In breakdown region, a zener diode behaves as a

a)

Constant current source

b)

Constant voltage source

c)

Constant resistance source

d)

Constant power source



Question ID - 151311 | SaraNextGen Top Answer

In breakdown region, a zener diode behaves as a

a)

Constant current source

b)

Constant voltage source

c)

Constant resistance source

d)

Constant power source

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

When the reverse voltage across a zener diode exceeds the breakdown voltage  the current increases very sharply. In this region, the curve is almost vertical. It means voltage across zener diode is constant at  even though the current through it changes. Therefore, a zener diode behaves as a constant voltage source.

127 votes


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