Re: Transistors
- From: John Larkin <jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Wed, 14 Nov 2007 14:43:21 -0800
On Wed, 14 Nov 2007 17:07:02 -0500, Phil Hobbs
<pcdh@xxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
Hey! This is SED--no fair being helpful!
Cheers,
Phil Hobbs
This is a nice little test to give to applicants for tech or
engineering positions:
+10V
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c
+5V--------b
e
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1K
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gnd
It's an average NPN transistor.
What's the emitter voltage? Current?
What's the base voltage?
What's the base current?
What's the collector current?
Will anything get hot?
Any other comments?
Some hot-shot resumes have been deflated by this one.
"Engineers" have said...
The base voltage is 0.6
The transistor is saturated, so collector voltage is zero.
The transistor is saturated, so emitter voltage is +10.
I haven't done this in a while, so I don't remember the formulas.
And other weird stuff.
Pitiful.
John
.
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