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A Zener of power rating 1 W is to be use...

A Zener of power rating 1 W is to be used as a voltage regulator. If Zener has a breakdown of 5V and it has to regulate voltage which fluctuated between 3 V and 7 V, what should be the value of `R_(s)` for safe operation (see figure) ?

A

`5 Omega`

B

`10 Omega`

C

`15 Omega`

D

`20 Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
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NCERT FINGERTIPS ENGLISH-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -Assertion And Reason
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  9. Assertion: Zener diode works on aa principle of of breakdown voltage. ...

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