(TCO 4) For the circuit given in the figure below, obtain the
following quantities.
(a) Currents I1 and I3
(b) Power dissipated by the resistor R2
Assume VS1 = 15 V, R1 = 4.0 k?,
R2 = 9.0 k?, R3 = 6.0 k?, R4 = 12.0
k?
I2= Vsi/ R2
=12/9
=1.33mA
I3= Vsi/ (R3+R4)
= 12/ 18
I3 =0.66mA
I1= I2+I3
=1.33+0.66
=1.99mA
b) Power dissipated by resistor I2
P=I2Vsi
P= 1.33(15)
=19.95watt
Power= P= IV
P=
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