(a) For the circuit shown in the figure, determine the current in the 7.0-? resi

Question

(a) For the circuit shown in the figure, determine the current in the 7.0-? resistor.

(b) For the circuit shown in the figure, determine the current in the 8.0-? resistor.

(c) For the circuit shown in the figure, determine the current in the 4.0-? resistor.

(a) For the circuit shown in the figure, determine the current in the 7.0-? resistor. (b) For the circuit shown in the figure, determine the current in the 8.0-? resistor. (c) For the circuit shown in the figure, determine the current in the 4.0-? resistor.

Explanation / Answer

4i1 + 7*(i1+i2) = 12

.....11i1 + 7i2 = 12.......(2)

8i2 - 4i1 = 9..........(2)

solving 1 & 2

44i1 + 28i2 = 48

88i2 - 44i1 = 99

i2 = 1.27 A

i1 = 0.29 A

i1+i2 = 1.56 A

a) i1+i2= 1.56 A

b) i2 = 1.27 A

c) i1 = 0.29 A

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