a) What is the value of the current source I1? b) The voltage source V1 is repla

Question

a) What is the value of the current source I1?

b) The voltage source V1 is replaced by another voltage source of the same polarity but with a value of 120V (this is 10 times higher). Show how this new source affects the value of I1 selected in part “a” above.

V1 R7 R9 12V R3 R8 R11 R1 R2 R10 13 5A R6 R4 12 1A ? A 14 7A R5 R12 8A For the circuit shown in the above figure a) What is the value of the current source I1? b) The voltage source V1 is replaced by another voltage source of the same polarity but with a value of 120V (this is 10 times higher). Show how this new source affects the value of Il selected in part "a" above

Explanation / Answer

a) apply kcl at ground node.

I4+I5=I1+I3

I1=I4+I5-I3=7+8-5=10 amps.

b) here I1 depends upon current sources I3,I4 and I5.

Not depends upon V1.

So I1 is remains constant.

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