Electrical Engineering - Circuit Theorems and Conversions - Discussion

Discussion Forum : Circuit Theorems and Conversions - General Questions (Q.No. 22)
22.
Referring to circuit given, if R1 is changed to a 68 resistor, what will be the current through it?

0.16 A
0.24 A
0.2 A
0.04 A
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
32 comments Page 4 of 4.

NIKHIL SINGH said:   6 years ago
Let current =i.

At any node sum of total current =0.
i+0.2-0.04=0.
Hence i= 1.6(leaving from node).
(1)

Ujwal Rajbhandari said:   2 years ago
Is1 & Is2 are independent time-invariant current sources. Is1 divides into two branches.
That's why the current through 120 ohms branch is different between Is1 & Is2. The current will not change either 120ohms is changed to 68ohms since it has an independent current source.


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