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What is the zener current in the followi...

What is the zener current in the following circuit ?

A

10 mA

B

15 mA

C

20 mA

D

25 mA

Text Solution

Verified by Experts

The correct Answer is:
B
`R=(v_(i)-v_(0))/(I_(z)+I_(l))`
`I_(z)+I_(l)=(150-50)/(5xx10^(3)) `
`I_(z)+I_(l)=20xx10^(-3)=20 mA`
`therefore I_(z)=20-I_(l)`
`=20-5=15` mA
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