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.

# Category Archives: Basic Concepts

## 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.

## 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.

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

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

## Problem 1-3: Using Power and Conductance

Determine the resistance of the resistor, and .

## Problem 1-2: Power and Conductance of Resistors

Finding power and conductance of resistors from the current and resistance

## Problem 1-1: Power of Elements

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