Announcements Be sure to fill out the online course evaluations B A C

Slides:

Advertisements

Similar presentations

Physics for Scientists and Engineers, 6e

Advertisements

Impedance and Admittance. Objective of Lecture Demonstrate how to apply Thévenin and Norton transformations to simplify circuits that contain one or more.

Capacitor: Let us consider the following circuit consisting of an ac voltage source and a capacitor. The current has a phase shift of +  /2 relative to.

Q26.1 Which of the two arrangements shown has the smaller equivalent resistance between points a and b? A. the series arrangement B. the parallel arrangement.

© 2012 Pearson Education, Inc. Demographics A. Electrical Engineering B. Other Engineering C. Physics D. Chemistry E. Other.

Q31.1 A resistor is connected across an ac source as shown. Which graph correctly shows the instantaneous current through the resistor and the instantaneous.

Phasors and AC(sec. 31.1) Resistance and reactance(sec. 31.2) RLC series circuit(sec. 31.3) Power in AC circuits(sec. 31.4) Resonance in AC circuits (sec.

Copyright © 2009 Pearson Education, Inc. Admin: Assignment 9 is posted 2 more AC analysis problems RC circuits Due Monday (May 4 th ) There will be no.

Induction1 Time Varying Circuits 2008 Induction2 A look into the future We have one more week after today (+ one day) We have one more week after today.

AC power. Resonance. Transformers.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Chapter 36. AC Circuits Today, a “grid” of AC electrical distribution systems.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Chapter 36. AC Circuits Today, a “grid” of AC electrical distribution systems.

K7-27: RLC CIRCUIT - COMPLETEK7-27: RLC CIRCUIT - COMPLETE K7-45: LOW AND HIGH PASS FILTERS.

Physics for Scientists and Engineers II, Summer Semester Lecture 19: July 8 th 2009 Physics for Scientists and Engineers II.

Physics for Scientists and Engineers II, Summer Semester Lecture 18: July 6 th 2009 Physics for Scientists and Engineers II.

Fig 33-CO, p Ch 33 Alternating Current Circuits 33.1 AC Sources and Phasors v = V max sint  = 2/T = 2f tt V max v = V max sint Phasor.

Phasors and AC(sec. 31.1) Resistance and reactance(sec. 31.2) RLC series circuit(sec. 31.3) Power in AC circuits(sec. 31.4) Resonance in AC circuits (sec.

Physics 121: Electricity & Magnetism – Lecture 13 Carsten Denker NJIT Physics Department Center for Solar–Terrestrial Research.

ECE 201 Circuit Theory I1 Passive elements in the frequency domain Consider a resistor, R, in the time domain + v - i.

1 My Chapter 21 Lecture Outline. 2 Chapter 21: Alternating Currents Sinusoidal Voltages and Currents Capacitors, Resistors, and Inductors in AC Circuits.

Resonant Circuit.

Chapter 31 Electromagnetic Oscillations and Alternating Current Key contents LC oscillations, RLC circuits AC circuits (reactance, impedance, the power.

© 2012 Pearson Education, Inc. { Chapter 31 Alternating Current Circuits (cont.)

Chapter 33 Alternating Current Circuits CHAPTER OUTLINE 33.1 AC Sources 33.2 Resistors in an AC Circuit 33.3 Inductors in an AC Circuit 33.4 Capacitors.

AC Circuits & Phasors. We want to understand RLC circuits driven with a sinusoidal emf. First: engineers characterize the amplitude of a sinusoidal emf.

©1997 by Eric Mazur Published by Pearson Prentice Hall Upper Saddle River, NJ ISBN No portion of the file may be distributed, transmitted.

In a series R-L-C circuit, the voltage across an inductor _____ the current. A.leads B.lags C.is in phase with.

AC electric circuits 1.More difficult than DC circuits 2. Much more difficult than DC circuits 3. You can do it!

Phys 272 Alternating Current. A.C. Versus D.C (Natural) Frequency, Period, etc…

RLC Circuits. Ohm for AC  An AC circuit is made up with components. Power source Resistors Capacitor Inductors  Kirchhoff’s laws apply just like DC.

Lecture 10 - Step Response of Series and Parallel RLC Circuits

Chapter-23 Alternating Current Circuits. Alternating Signal The rms amplitude is the DC voltage which will deliver the same average power as the AC signal.

Monday, Apr. 24, 2006PHYS , Spring 2006 Dr. Jaehoon Yu 1 PHYS 1444 – Section 501 Lecture #22 Monday, Apr. 24, 2006 Dr. Jaehoon Yu AC Circuit w/

Copyright © 2012 Pearson Education Inc. PowerPoint ® Lectures for University Physics, Thirteenth Edition – Hugh D. Young and Roger A. Freedman Lectures.

© 2012 Pearson Education, Inc. A resistor is connected across an ac source as shown. For this circuit, what is the relationship between the instantaneous.

Alternating Current Circuits. Resistance Capacitive Reactance, X C.

Lecture 13 final part. Series RLC in alternating current The voltage in a capacitor lags behind the current by a phase angle of 90 degrees The voltage.

Alternating Current (AC) R, L, C in AC circuits

Introduction to Phasors Week 2: Experiment 22. Experimental Procedures Do not do the steps labeled “Extra Credit” in the Procedure. No extra credit will.

Step Response Series RLC Network.

22 Alternating Current.

Chapter-23 Alternating Current Circuits. AC Circuits All the equipment in this operating room use alternating current circuits.

1 © Unitec New Zealand DE4401 AC R L C COMPONENTS.

1 ELECTRICAL TECHNOLOGY ET 201  Define series impedances and analyze series AC circuits using circuit techniques.

Physics 212 Lecture 21, Slide 1 Physics 212 Lecture 21.

Chapter 31 Lecture 33: Alternating Current Circuits: II HW 11 (problems): 30.58, 30.65, 30.76, 31.12, 31.26, 31.46, 31.56, Due Friday, Dec 11. Final.

Alternating Current (AC)

Alternating-Current Circuits Physics Alternating current is commonly used everyday in homes and businesses throughout the word to power various.

Single-phase series a.c. circuits. Purely resistive a.c. circuit In a purely resistive a.c. circuit, the current I R and applied voltage V R are in phase.

VSVS L C R At every instant, the generator / supply voltage: (V S = V m sinωt) is given by: V S = V L + V C + V R IZ = IX L + IX C + IR These relationships.

Physics 1202: Lecture 16 Today’s Agenda Announcements: –Lectures posted on: –HW assignments, etc.

1 Discussion about the mid-term 8. In those hard times, people connected two light bulbs in series to prolong the lifetime of them so as to save money.

Alternating Current Circuits. AC Sources  : angular frequency of AC voltage  V max : the maximum output voltage of AC source.

AC Circuit PhasorsPhasors Physics 102: Lecture 13 Exam III L R C I = I max sin(2  ft) V R = I max R sin(2  ft) V R in phase with I V C = I max X C sin(2.

Physics 212 Lecture 21 Resonance and power in AC circuits.

AC CIRCUITS FIRDIANA SANJAYA ANA ALINA

 Today – Continue with AC  Problems  Some new material from the chapter  Quiz on Friday; Exams will be returned and reviewed.  There is a new Mastering.

Alternating Current Circuits Based on Serway and Jewett e6.

Electromagnetic Oscillations and Alternating Current

Electromagnetic Oscillations and Alternating Current

An {image} series circuit has {image} , {image} , and {image}

The figure shows an {image} circuit with a switch and a 440-volt battery. What is the current in the circuit and the potential difference between points.

ECE 1270: Introduction to Electric Circuits

Lecture 13 - Step Response of Series and Parallel RLC Circuits

Passive elements in the frequency domain

Electromagnetic Oscillations and Alternating Current

PHY 114 A General Physics II 11 AM-12:15 PM TR Olin 101

Electromagnetic Oscillations and Alternating Current

A. i is maximum at the same time as vab.

Presentation transcript:

Announcements Be sure to fill out the online course evaluations B A C HW 12 is now due FRIDAY DEC 9th, 8AM HW 13 is now due TUESDAY DEC 12th, 8AM Today, we will cover the rest of the lecture for Week 12 AND the entire lecture for Week 13. Recitations next week will cover problems from HW 12 and HW 13 Lecture next week will cover (a) problems from HW 13 (if any are left). We will also begin reviewing for the final exam. Recitation on Monday Dec 12th will also be a review for final B A C

ICLICKER QUESTION #0 B A C Option Review for the Final exam will be on MONDAY Dec 19th at the following time: 8:30-11AM 11:30-2pm 2:30-5pm None of these times are good, I would prefer a different day. B A C

Show Active Figure 33.3 of Phasor

Clicker Question #1 (a) (b) (c) Consider the voltage phasor in Figure 33.4, shown at three instants of time. Choose the part of the figure that represents the instant of time at which the instantaneous value of the voltage has the largest magnitude. Figure 33.4 (a) (b) (c) C

RMS current

Current LAGS Voltage in Inductor Show Active Figure 33.6

Clicker Question #2 Consider the AC circuit in Figure 33.8. The frequency of the AC source is adjusted while its voltage amplitude is held constant. When does the light bulb glow the brightest? Figure 33.8 It glows brightest at high frequencies. It glows brightest at low frequencies. The brightness is the same at all frequencies.

Current LEADS voltage in a Capacitor Show Active Figure 33.10

Clicker Question #3 Consider the AC circuit in Figure 33.12. The frequency of the AC source is adjusted while its voltage amplitude is held constant. When does the light bulb glow the brightest? B Figure 33.12 A It glows brightest at high frequencies. It glows brightest at low frequencies. The brightness is the same at all frequencies. C

RLC Series Circuit

Phase Relation of various voltages

Clicker Question #4 XL > XC XL = XC XL < XC Label each part of Figure 33.16, (a), (b), and (c), as representing XL > XC, XL = XC, or XL < XC. Describe figure (a). Figure 33.16 XL > XC XL = XC XL < XC HINT: C

What is the impedance of a series RLC circuit at resonance? Clicker Question #5 What is the impedance of a series RLC circuit at resonance? larger than R less than R equal to R impossible to determine

Transformer can “step up” or “step down” the voltage. B A C