Category Archives: Basic Concepts

Solved problems in basic concepts of electrical circuits such as Ohm’s Law, power calculation, voltage and current sources

Problem 1-15: Power of Independent Sources

Determining power of independent voltage and current sources. Passive sign and active sign conventions are used to find out which source is supplyingpower and which one is absorbing. Continue reading

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Problem 1-14: Current of A Voltage Source

Two simple circuits are used to demonstrate the characteristic of voltage and current sources. In both cases, the voltage sources are in series with current sources. Continue reading

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Problem 1-13: Voltage of A Current Source

Five circuits are considered to explain the characteristics of voltage and current sources. It is shown how voltage sources enforce their voltages on parallel elements. Continue reading

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Problem 1-4: Elements, Nodes, Loops and Branches

Finding the number of elements, nodes, loops and branches of a circuit Continue reading

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Problem 1-3: Using Power and Conductance

Determine the resistance of the resistor, and .

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Problem 1-2: Power and Conductance of Resistors

Finding power and conductance of resistors from the current and resistance Continue reading

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Problem 1-1: Power of Elements

Finding the power of elements and determining which one is supplying power and which one is absorbing it. Continue reading

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