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Current that keeps changing is direction is called alternating current, (AC) whereas the one that never changes its direction is ...

When an alternating voltage is applied to a purely resistive circuit, the current can be calculated using Ohm's law. We find the ...

RMS or root mean square current/voltage of the alternating current/voltage represents the d.c. current/voltage that dissipates the ...

AC waveform analysis is not as intimidating as some may think. There is a lot going on in the AC waveform and this video walks ...

The power factor represents the fraction of the available power (also called apparent power) that is consumed (also called the true ...

Phasors are rotating vectors having the length equal to the peak value of oscillations, and the angular speed equal to the angular ...

Why does current lead voltage in an AC capacitive circuit. This video is a step by step explanation as to why.

Why do some outlets have a larger slot? Some plugs have one bigger prong, but why don't they all of them? Do you think you ...

NEW Certified university course: https://go.tugraz.at/LLL-power-systems-protection ***************** This is a video of the course ...

Transformers step up (increase) or step down (decrease) AC voltage using the principle of electromagnetic induction - mutual ...

Calculating the power triangle for a simple RLC circuit. Reference: Chapter 7 section 3 of AC Electrical Circuit Analysis. My free ...

This video visualizes the counter intuitive phenomenon of the transformers, when voltage is stepped up, the current gets stepped ...

I discuss how both voltage and current are important when repairing midget Christmas lights. When replacing lamps in midget ...

In a purely resistive circuit, current and voltage are in phase with one another. In a purely inductive circuit, voltage and current are ...

This tutorial deals with the very basics of resonance circuits. Starting with an explanation of capacitances, inductors and their ...

When an alternating voltage is applied across a capacitor, the current leads the voltage by a phase angle of 90 degrees.

Let's explore why the alternating current in a capacitor leads the voltage across it by a quarter of a cycle. Khan Academy is a ...

As a conductor passes through a magnetic field a voltage is generated. If that conductor is made into a loop and spun continually ...

The live wire of domestic circuits is usually red and is at high voltage. The neutral wire is black and has voltage close to that of the ...

Example of computing complex power and using it to find average power, reactive power, and the power factor. More instructional ...