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Figure shows a DC voltage regulator circuit, with a Zener diode of breakdown voltage = 6 V. If the unregulated input voltage varies between 10 V to 16 V, then what is the maximum Zener current?

a)

7.5 mA

b)

1.5 mA

c)

2.5 mA

d)

3.5 mA



Question ID - 51575 | SaraNextGen Top Answer

Figure shows a DC voltage regulator circuit, with a Zener diode of breakdown voltage = 6 V. If the unregulated input voltage varies between 10 V to 16 V, then what is the maximum Zener current?

a)

7.5 mA

b)

1.5 mA

c)

2.5 mA

d)

3.5 mA

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

 is maximum when input voltage is 16 V.

IS =  = 5 mA

IL = 1.5 mA

Iz(max) = IS IL = 3.5 mA

127 votes


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