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Single phase AC

Single phase AC

Master the Fundamentals of Single Phase AC Circuits – Waveforms, Power Calculations & RLC Analysis
Created byRupendra K Pathak
Last updated 6/2025
Hindi

What you'll learn

  • Understand the basic concept of alternating current (AC) and its waveform characteristics like amplitude, frequency, and phase.
  • Explain the generation and advantages of single-phase AC over direct current (DC) systems.
  • Analyze voltage and current relationships in resistive, inductive, and capacitive (R, L, C) AC circuits.
  • Calculate power in AC circuits using power factor, and understand the difference between true, reactive, and apparent power.

Course content

1 section • 13 lectures • 5h 55m total length

  • Introduction11:21
  • AC through Resistance22:02
  • AC through capacitor34:52
  • AC through Inductor25:29
  • AC through RC circuit30:51
  • AC through RL circuit26:56
  • Power calculation in AC circuit31:38
  • Power Factor of AC circuit13:53
  • Series RLC Circuit24:43
  • Phasor diagarm23:33
  • Parallel RLC circuit37:00
  • Numerical on RL, RC Circuit28:45
  • Concept o0f Initial Condition44:01

Requirements

  • Course is started from beginning, student should be from science background is the only requirement

Description

This course is specially designed for students looking to build a strong base in AC circuit theory. It covers all essential concepts of single-phase alternating current, which is widely used in households, industries, and electronic devices.

What You Will Learn:

  1. Basic Understanding of Alternating Current (AC)

    • Learn what AC is and how it compares to direct current (DC)

    • Understand how AC is generated using alternators

    • Explore real-life applications of single-phase AC in everyday systems

  2. Waveforms and Electrical Quantities

    • Study sine wave characteristics including cycle, time period, and frequency

    • Understand amplitude, phase difference, RMS (Root Mean Square), and average values

    • Learn how waveform shapes affect circuit behavior

  3. AC Response in Electrical Components (R, L, C)

    • Examine how resistors, inductors, and capacitors behave in AC circuits

    • Learn to use impedance and phasor diagrams for circuit analysis

    • Analyze current and voltage relationships in series and parallel combinations

  4. Power in AC Circuits

    • Understand true power (P), reactive power (Q), and apparent power (S)

    • Learn to calculate power factor and why it matters in energy efficiency

    • Explore practical ways to improve power factor in circuits

Why Take This Course?

  • Builds strong conceptual clarity for future studies in electrical systems

  • Enhances problem-solving skills with real-world circuit examples

  • Includes visual aids, circuit analysis, and step-by-step explanations

  • Prepares you for lab work, written exams, and practical applications in electrical engineering

By the end of this course, you will be able to confidently analyze single-phase AC circuits, solve related numerical problems, and understand the core principles that power our modern electrical world.

Who this course is for:

  • Student Preparing for JEE-Main, MHT CET, Other state engineering entrance exams
  • Also useful for students pursuing BE or Btech. In electical or electronics students
  • Also useful for students pursuing Diploma. In electical or electronics, etc students

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