Tag Archives: Ohm’s law

Solve By Source Definitions, KCL and KVL

Find the voltage across the current source and the current passing through the voltage source.
Problem 1213
Assume that I_1=3A, R_1=2 \Omega, R_2=3 \Omega, R_3=2 \Omega,I_1=3A, V_1=15 V,

Solution
R_1 is in series with the current source; therefore, the same current passing through it as the current source:
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Find currents using KVL


Find resistor currents using KVL.
Resistive Circuit

Solution:

R_1 and V_1 are parallel. So the voltage across R_1 is equal to V_1. This can be also calculated using KVL in the left hand side loop:

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