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ECE 300
Spring Semester, 2008
Test #1
Test A :Section I: 1 l : l O AM
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Print (last, first)
Work the exam on your own engineering paper. Work on one side of your paper only. Attach
your work to the back of this exam sheet and staple in the top left hand corner. Each problem
20%. Be sure to give units for all your answers.
(1) You are given the circuit of Figure 1. Use mesh analysis in working this problem.
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(a) Find the currents I1 and 12.
(b) Determine how much power is being supplied by the dependent source.
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(2) Determine V1and V2for the circuit of Figure 2. Use any method you desire.
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(3) You are given the circuit of Figure 3. The following is know:
vA=7v; vB=o.5v
Use these values in answering the following questions.
Figure 3: Circuit for problem 3.
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(a) Determine the current Ix.
(b) Determine the power supplied by the dependent voltage source.
(c) Determine the power supplied by the independent current source.
(d) Determine the power supplied by the independent voltage source.
(e) Determine the power absorbed by the 6 SZ resistor.
(f) Determine the power absorbed by the 3 C2 resistor.
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(4) You are given the circuit of Figure 4. Use nodal analysis for this problem.
(a) Determine V1.
(b) Determine VA.
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(5) You are given the circuit shown in Figure 5. Determine the current I. Do not use mesh analysis ,
in your solution.
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