Presentation is loading. Please wait.

Presentation is loading. Please wait.

 Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India Electromagnetic.

Published byFerdinand Greene Modified over 9 years ago

Similar presentations

Presentation on theme: " Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India Electromagnetic."— Presentation transcript:

1  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electromagnetic Radiation

2  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator + - +q -q

3  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator + - -q +q

4  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator - +q -q

5  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator + - -q +q

6  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator - +q -q Electrons accelerate up and down as if A B were a single wire

7  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Dipole Radiation

8  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Ooty Radio Telescope 530 m long 30 m wide parabolic cylinder 1054 dipoles, 326.5 MHz 0.5 m

9  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ 0.5 m

10  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Sinusoidal Oscillations

11  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Field

12  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Dipole Moment Charge q oscillating as y(t) produces the same electric field as q/2 moving as y(t) and –q/2 moving as –y(t) The latter is an oscillating dipole

13  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Field

14  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Dipole Oscillator

15  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Current

16  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Electric Field

17  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Along the x axis

18  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ At a large distance

19  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Magnetic Field

20  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Magnetic Field

21  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Sinusoidal Oscillations

22  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Energy Density

23  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Average Energy

24  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Energy Flux

25  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Energy Flux Vector

26  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Radiation Power Pattern

27  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Radiation Pattern

28  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Angular Integral

29  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Total POwer

30  Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/ Equivalent Resistance

Download ppt " Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India Electromagnetic."

Similar presentations

The following shows the existence of oscillating magnetic and electric fields in an electromagnetic wave The detection of the fields relies on the two.

The following shows the existence of oscillating magnetic and electric fields in an electromagnetic wave The detection of the fields relies on the two.
Q32.1 The drawing shows an electromagnetic wave in a vacuum. The wave is propagating 1. in the positive x-direction 2. in the negative x-direction 3. in.

Q32.1 The drawing shows an electromagnetic wave in a vacuum. The wave is propagating 1. in the positive x-direction 2. in the negative x-direction 3. in.
Day 15: Electric Potential due to Point Charges The Electric Potential of a Point Charge Work done to bring two point charges together The Electric Potential.

Day 15: Electric Potential due to Point Charges The Electric Potential of a Point Charge Work done to bring two point charges together The Electric Potential.
Maxwell’s Equations and Electromagnetic Waves Setting the Stage - The Displacement Current Maxwell had a crucial “leap of insight”... Will there still.

Maxwell’s Equations and Electromagnetic Waves Setting the Stage - The Displacement Current Maxwell had a crucial “leap of insight”... Will there still.
PH0101 UNIT 2 LECTURE 31 PH0101 Unit 2 Lecture 3  Maxwell’s equations in free space  Plane electromagnetic wave equation  Characteristic impedance 

PH0101 UNIT 2 LECTURE 31 PH0101 Unit 2 Lecture 3  Maxwell’s equations in free space  Plane electromagnetic wave equation  Characteristic impedance 
Electric Fields The Electric Field Electric Fields Lines Field due to a Point Charge Field due to an Electric Dipole Field due to a Line of Charge Field.

Electric Fields The Electric Field Electric Fields Lines Field due to a Point Charge Field due to an Electric Dipole Field due to a Line of Charge Field.
Unit 4 Day 3 – Magnetic Dipole Moment & Applications

Unit 4 Day 3 – Magnetic Dipole Moment & Applications
Physics for Scientists and Engineers II, Summer Semester 2009 1 Lecture 14: June 22 nd 2009 Physics for Scientists and Engineers II.

Physics for Scientists and Engineers II, Summer Semester Lecture 14: June 22 nd 2009 Physics for Scientists and Engineers II.
p.1067 Ch 34 Electromagnetic Waves 34.1 Displacement Current and the General Form of Ampere’s Law I d =  0 d  E /dt B·ds =  0 (I + I d ) 

p.1067 Ch 34 Electromagnetic Waves 34.1 Displacement Current and the General Form of Ampere’s Law I d =  0 d  E /dt B·ds =  0 (I + I d ) 
Physics for Scientists and Engineers II, Summer Semester 2009 1 Lecture 21: July 13 th 2009 Physics for Scientists and Engineers II.

Physics for Scientists and Engineers II, Summer Semester Lecture 21: July 13 th 2009 Physics for Scientists and Engineers II.
3-6. Conductors in Static Electric Field

3-6. Conductors in Static Electric Field
G L Pollack and D R Stump Electromagnetism 1 10. Electromagnetic Induction Faraday’s law If a magnetic field changes in time there is an induced electric.

G L Pollack and D R Stump Electromagnetism Electromagnetic Induction Faraday’s law If a magnetic field changes in time there is an induced electric.
Nuclear de-excitation Outline of approach… Source of radiation Propagation of radiation field Detection of radiation ?? nucleus.

Nuclear de-excitation Outline of approach… Source of radiation Propagation of radiation field Detection of radiation ?? nucleus.
Physics 121: Electricity & Magnetism – Lecture 9 Magnetic Fields Dale E. Gary Wenda Cao NJIT Physics Department.

Physics 121: Electricity & Magnetism – Lecture 9 Magnetic Fields Dale E. Gary Wenda Cao NJIT Physics Department.
EEE340Lecture 221 Note that the correspondences between fields and circuits are: But and I are governed by Ampere’s circuital law in 90 o. According to.

EEE340Lecture 221 Note that the correspondences between fields and circuits are: But and I are governed by Ampere’s circuital law in 90 o. According to.
Poynting’s Theorem … energy conservation John Henry Poynting (1852-1914)

Poynting’s Theorem … energy conservation John Henry Poynting ( )
Physics for Scientists and Engineers II, Summer Semester 2009 1 Lecture 13: June 19 th 2009 Physics for Scientists and Engineers II.

Physics for Scientists and Engineers II, Summer Semester Lecture 13: June 19 th 2009 Physics for Scientists and Engineers II.
Chapter 19 NMR Spectroscopy. Introduction... Nuclear Magnetic Resonance Spectrometry is based on the measurement of absorption of electromagnetic radiation.

Chapter 19 NMR Spectroscopy. Introduction... Nuclear Magnetic Resonance Spectrometry is based on the measurement of absorption of electromagnetic radiation.
Antennas. Free Charge  A free charge has a constant electric field and no magnetic field.  No waves are produced. No radiationNo radiation  A charge.

Antennas. Free Charge  A free charge has a constant electric field and no magnetic field.  No waves are produced. No radiationNo radiation  A charge.
Antennas Hertzian Dipole –Current Density –Vector Magnetic Potential –Electric and Magnetic Fields –Antenna Characteristics.

Antennas Hertzian Dipole –Current Density –Vector Magnetic Potential –Electric and Magnetic Fields –Antenna Characteristics.

Similar presentations

Ads by Google