If frequency is increased to 100 Hz, so reactance is_____ohms. CTRL + SPACE for auto-complete. Where “Q” is the charge in coulombs, “C” is the capacitance in farads and “V” is the voltage in Volts. Get Free Android App | Download Electrical Technology App Now! resistive, captative and inductive circuit (already mentioned above). We depends on ad revenue to keep creating quality content for you to learn and enjoy for free. The unit of Inductance “L” is Henrys “H”. Various Cooling Methods of electrical machines. In This poat, we are going to share Multiple Choice Questions (MCQ) on AC Fundamentals for Electrical Engineering Students. Follow, © Copyright 2020, All Rights Reserved 2012-2020 by. Electrical Engineering AC Fundamentals and AC Power ©, Rauf voltage, DC voltage and current were compared using an oscilloscope1, the graph displayed on the screen would be similar to voltage and current graphs shown in Figures 1.1 and 1.2, respectively. This figure represents. This course introduces the fundamental concepts of electrical direct current circuits, which form the basis to all electrical/electronic systems. 5. Please consider supporting us by disabling your ad blocker. Its angular frequency is _______radian/second. Write CSS OR LESS and hit save. Following are the electrical engineering formulas and equations for the basic quantities i.e. Up tp 93% Off - Launching Official Electrical Technology Store - Shop Now! Following are the electrical engineering formulas and equations for the basic quantities i.e. EE-Tools, Instruments, Devices, Components & Measurements, Other Additional Electrical Quantities Formulas, Power Formulas in DC and AC Single-Phase & Three-Phase Circuits, Electrical & Electronics Engineering Formulas & Equations, A Complete Guide About Solar Panel Installation. The value 230 V refers to, 7. Following are the electrical engineering formulas and equations for the basic quantities i.e. Where “f” is frequency in Hertz (Hz) and “T” is the time periods in seconds. His passion for staying in touch with his profession and his kinship for mentoring has kept him in front of an audience of learners. Basic Voltage, Current, Power and Resistance Formulas in AC and DC Circuits. Step by Step Procedure with Calculation & Diagrams. Where “C” is capacitance in farads,  “Q” is charge in coulombs, and “V” is voltage in volts. Basic Electrical Engineering Formulas and Equations, Basic Voltage, Current, Power and Resistance Formulas in AC and DC Circuits. XC = 1/2πfC… Where C = Capacitance in Farads. 25% Off on Electrical Engineering Shirts. What are the two main types of transformers? Where “Z” is the impedance in ohms, “R” is resistance in Ohms and “X” is the reactances in Ohms. – Examples in British and SI System, Thevenin’s Theorem. NPTEL provides E-learning through online Web and Video courses various streams. Your email address will not be published. The peak value of sine wave is 200 V. Its average value is___, 9. Electrical Current Formulas in DC Circuit, Electrical Current Formulas in Single Phase AC Circuit, Electrical Current Formulas in Three Phase AC Circuit, Electrical Potential or Voltage Formula in DC Circuits, Voltage or Electrical Potential Formulas in Single Phase AC Circuits, Voltage Formulas in Three Phase AC Circuits, Power Formulas in Single Phase AC Circuits, Power Formulas in Three Phase AC Circuits, Electrical Resistance & Impedance Formulas in DC Circuits, Electrical Resistance & Impedance Formulas in AC Circuits, In AC Circuits (capacitive or inductive load), Resistance = Impedance i.e., R = Z. Impedance is the resistance of AC circuits i.e. This includes working with AC power, power factor, resonance, complex numbers, reactance and impedance. It is the reciprocal (i.e. Limited Edition... Book Now Here. Solve MCQ of AC Fundamentals  ,here given lots of unique mcq for you.It can be very help full for your electrical engineering exam or competitive exams. current, voltage, power, resistance and impedance in both DC and AC circuits (single phase and three phase). Our website is made possible by displaying online advertisements to our visitors. The peak value of a sine wave is 200 V. Its average value is (a) 127.4 V (b) 141.4 V Its frequency is___, 6. Anyone wanting to understand the basic concepts of electricity as it applies to linear AC circuit analysis: resistors, capacitors and inductors. Z = impedance = Resistance of AC Circuits in Ohms, Where “C” is capacitance in farads,  “Q” is. Basic Fundamentals of AC Circuit Analysis. This course will provide the student with the basic understanding of working with circuits involving Alternation Current, which includes sinusoidal waveforms, vectors & phasors, reactance & impedance of R,L,C circuits, as they relate to the basic laws and theorems of electricity. Chapter 1 Introduction 1.1Themes1 From its beginnings in the late nineteenth century, electrical engineering has blossomed from focusing on electrical circuits for power, telegraphy and telephony to focusing on a much broader range of disciplines. Multiple Choice Questions (MCQ) on AC Fundamentals for Electrical Engineering. EEP - Electrical Engineering Portal is the largest education study site specialized in fields of LV/MV/HV substations, energy & power generation, and distribution & transmission. The unit of conductance is Siemen or Mho and represented by the symbol of “G” or “℧”. How to Calculate the Battery Charging Time & Battery Charging Current – Example, How to Find The Suitable Size of Cable & Wire for Electrical Wiring Installation? A basic knowledge of AC and DC circuits is becoming increasingly important – even in mechanical professions – for understanding many functions and processes in complex systems: this is what the equipment set, Basic Principles of Electrical Engineering for Metalworking Occupations, is targeted to. 1.A sine wave has frequency of 50 Hz. This course will provide the student with the basic understanding of working with circuits involving Alternation Current, which includes sinusoidal waveforms, vectors & phasors. The following table shows the current, voltage, power and resistance equations and formulas in DC and 1-Φ & 3-Φ AC circuits. How to Calculate/Find the Rating of Transformer in kVA (Single Phase and Three Phase)? I would like to receive news, tips and tricks, and other promotional material. Your email address will not be published. Required fields are marked *, All about Electrical & Electronics Engineering & Technology. It is also known as Ohm’s law for inductance. Where “L” is inductance in Henrys, “VL” is the instantaneous voltage across the inductor in volts and “di/dt” is the rate of changes in current in Amperes per second. Alternating Current. This course will provide the student with the basic understanding of working with circuits involving Alternation Current, which includes sinusoidal waveforms, vectors & phasors. a sinusoid of half the original frequency, both will reach their minimum values at same time, both will reach their maximum values at same time, when one wave reaches its maximum value, other will reach its minimum value.

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