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In the given circuit the current through...

In the given circuit the current through the zener diode is

A

10 mA

B

6.67 mA

C

5 mA

D

3.33 mA

Text Solution

Verified by Experts

The correct Answer is:
D
The voltage drop across `R_(2)" is "V_(R_(2))=V_(Z)=10V`
The current through `R_(2)` is
`I_(R_(2))=(V_(R_2))/(R_(2))=(10V)/(1500Omega)`
`=6.67xx10^(-3)A`
= 6.67 mA
The voltage drop across `R_(1)` is
`V_(R_1)=15V-V_(R_2)=15V-10V=5V`
The current through `R_(1)` is
`I=(V_(R_1))/(R_(1))=(5V)/(500Omega)=10xx10^(-3)=10mA`
The current through the Zener diode is
`I_(Z)=I-I_(R_2)=10mA-6.67mA=3.33mA`
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