Circuit theory

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ELEC 152 - CIRCUIT THEORY I.

PROBLEMS. You must show all your work in order to receive any credit. Write your answers in the boxes when provided. Writing only the answers will result in no credit being given. Each problem is worth 15 points

Problem 1: Determine the Thevenin Equivalent circuit as seen from terminals A and B in the circuit:

Rth

Vth

Problem 2: Using the Superposition theorem, determine the current through the resistance R2 and the voltage across the resistor R3 in the below shown circuit.

IR2

VR3

Problem 3: Apply Mesh Analysis to calculate the current flowing through Resistor R1 in the below shown circuit.

IR1 =

Problem 4: Use Nodal Analysis to calculate the current through Resistors R4 and R5 in the circuit shown below.

IR4

IR5

Problem 5: Find the equivalent capacitance as seen from terminals A-B in the below circuit.

Ceq =

Problem 6: Assuming steady-state conditions, find the current through inductor L2 and the voltage across resistor R1 in the circuit shown below.

IL2

VR1