Electric circuits and networks: Basic Introduction to electric circuits, Resistance & Resistivity, Capacitors, Inductors, DC circuit theorems and AC circuits.
Resistors perform two basic functions in a circuit: they limit current flow and set voltage levels within a circuit. We…
Alternating current generator Let’s consider a signal turn coil rotating freely at a constant angular velocity symmetrically between the poles…
Purely Resistive Circuits In resistive elements the current and voltage are in phase. Figure 1(a) purely resistive circuit Figure 1(b)…
The laws that determine the currents and voltage drops in DC networks: Ohm’s law The law’s for resistors in series…
Resistors perform two basic functions in electronics: To limit current flow To set voltage levels within a circuit These two…
What is Inductance? Inductance is the property of a circuit whereby there is an emf induced into the circuit by…
Introduction to Capacitors A capacitor is an electrical device that is used to store electrical energy. A capacitor consists of…
Series Circuits The figure below shows three resistors R1, R2, and R3 connected end to end i.e. in series with…
We know that a current passing through a resistance has a heating effect, the magnitude of which we measure in…
The resistance of an electrical conductor depends on 4 factors, namely: The length of the conductor The cross-sectional area of…
