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In the circuit shown in Fig. when the in...

In the circuit shown in Fig. when the input voltage of the base resistance is `10V, V_(be)` is zero and `V_(ce)` is also zero. Find the values of `I_, I_` and `beta`.

A

`25 muA,3.33 mA`

B

`20 muA, 3.33 mA`

C

`20 muA, 1.33 mA`

D

`25 muA, zero`

Text Solution

Verified by Experts

The correct Answer is:
A
Given, voltage across `R_(B) = 10 V`
Resistance `R_(B) = 400 k Omega`
`V_(BE)=0,V_(CE)=0 R_(C)=3 k Omega`
`I_(B)=("Voltage across" R_(B))/(R_(B))`
`= (10)/(400xx10^(3))=25 xx10^(-6)A=25 muA`
voltage across `R_(C)=10V`
`I_(C)=("Voltage across" R_(C))/(R_(C))=(10)/(3 xx10^(3))`
`=3.33 xx10^(-3) A=3.33 mA`.
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