Computer Science - Electronic Principles - Discussion

Discussion Forum : Electronic Principles - Section 2 (Q.No. 34)
34.
A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff?
2 k Ohm
10 k Ohm
20 k Ohm
1 k Ohm
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Md.Mustafa Siddiqui said:   1 decade ago
We know that,

I =Eg/Rl +Ri.
Here according to statement, current source must be stiff,means equal to internal resistance =100 ohm.
Eg = 100,
Rl>>Ri,
So Ri can be neglected. then
I=Eg/Rl,
100 = 100/Rl.
Therefore Rl= 1KOhm.

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