What is the power for the voltage source

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Reference no: EM131238689

Question 1:

1508_Figure 6.jpg

R1 = 3 Ohm
R2 = 8 Ohm
R3 = 6 Ohm
R4 = 2 Ohm

The measured node voltages (relative to the ground node) are:
Va = 5.000 V
Vb = 2.857 V
Vc = 0.714 V

• Find the voltage across R1 (you could use KVL):
Vab =___Volts

• Find the current (use Ohm's law):
I1 =___A

• What is the power for the voltage source? Remember: P should be negative if power is being delivered from it and positive if power is being absorbed by it.
P=___W

• Compute the currents (use Ohm's law):
I2 =____A
I3 =____A

Question 2:

2248_Figure 7.jpg

R1 = 8 Ohm
R2 = 3 Ohm
R3 = 10 Ohm

The measured node voltages are:

Va = 19.000 V
Vb = 23.190 V
Vc = 24.762 V

Hint: Pay attention to the expected units and, for the power questions, pay attention to the sign!

• Find the voltage Vab, and the current I1:
Vab=____volts

I1=____mA

• What is the power for the voltage source?
Pvoltage source =____W

• What is the power for the current source?
Pcurrent source = ____W.

Reference no: EM131238689

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