Points P and Q are located at 0,2,4 and -3,1,5.

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Manipulate the distance vector from P to Q. List the sources of electromagnetic fields. Apply in matrix form the unit vector transformation from the rectangular to cylindrical coordinate system 5. Determine the angular separation between them. State the conditions for a vector A to be a solenoidal b irrotational. State Divergence Theorem.

State the vector form of electric flux density. Define divergence and its physical meaning. What are the practical applications of electromagnetic fields? Mention the criteria for choosing an appropriate coordinate system for solving a field problem easily. Explain with an example. When a vector field is solenoid and irrotational. Give the practical examples of diverging and curl field.

Obtain the unit vector in the direction from the origin towards the point P 3,-3,2. Give the differential displacement and volume in spherical coordinate system. How can a vector field be expressed as the gradient of scalar field? Find the unit vector extending from the origin toward the point P 3,-1,-2 Determine the electric field intensity in free space if. August 30, 0. August 20, 0. August 19, 0. Comments are closed.Tesla is a unit of a field strength b inductance c flux density d flux Ans: c.

A permeable substance is one a which is a good conductor 6 which is a bad conductor c which is a strong magnet d through which the magnetic lines of force can pass very easily Ans: d. The materials having low retentivity are suitable for making a weak magnets b temporary magnets c permanent magnets d none of the above Ans: b. A magnetic field exists around a iron b copper c aluminium d moving charges Ans: d. Ferrites are materials. The direction of magnetic lines of force is a from south pole to north pole b from north pole to south pole c from one end of the magnet to another d none of the above Ans: b.

Which of the following is a vector quantity? The two conductors of a transmission line carry equal current I in opposite directions. The force on each conductor is a proportional to 7 b proportional to X c proportional to distance between the conductors d inversely proportional to I Ans: b. A material which is slightly repelled by a magnetic field is known as a ferromagnetic material b diamagnetic material c paramagnetic material d conducting material Ans: b.

When an iron piece is placed in a magnetic field a the magnetic lines of force will bend away from their usual paths in order to go away from the piece b the magnetic lines of force will bend away from their usual paths in order to pass through the piece c the magnetic field will not be affected d the iron piece will break Ans: b.

The ratio of intensity of magnetisation to the magnetisation force is known as a flux density b susceptibility c relative permeability d none of the above Ans: b. Magnetising steel is normals difficult because a it corrodes easily 6 it has high permeability c it has high specific gravity d it has low permeability Ans: d.

The left hand rule correlates to a current, induced e.

Type 2 connectorA conductor of length L has current I passing through it, when it is placed parallel to a magnetic field. The force between two long parallel conductors is inversely proportional to a radius of conductors b current in one conductor c product of current in two conductors d distance between the conductors Ans: d.

Materials subjected to rapid reversal of magnetism should have a large area oiB-H loop b high permeability and low hysteresis loss c high co-ercivity and high retentivity d high co-ercivity and low density Ans: b. Indicate which of the following material does not retain magnetism permanently.

Qualcomm sdkThe main constituent of permalloy is a cobalt b chromium c nickel d tungsten Ans: c. The use of permanent magnets is.We provide a complete electromagnetic theory pdf.

Electromagnetic Theory study material includes electromagnetic theory notes, electromagnetic theory book, courses, case study, syllabus, question paper, MCQ, questions and answers and available in electromagnetic theory pdf form. Electromagnetic Theory Notes can be downloaded in electromagnetic theory pdf from the below article.

A detailed electromagnetic theory syllabus as prescribed by various Universities and colleges in India are as under. You can download the syllabus in electromagnetic theory pdf form. Statically and Dynamically Induced E. Some of the electromagnetic theory questions and answers are mentioned below. You can download the QnA in electromagnetic theory pdf form. It will help you to understand question paper pattern and type of electromagnetic theory question and answer asked in bba, bcom, mba electromagnetic theory exam.

Below is the list of electromagnetic theory book recommended by the top university in India.

Electromagnetic Theory study material includes electromagnetic theory noteselectromagnetic theory bookselectromagnetic theory syllabuselectromagnetic theory question paperelectromagnetic theory case study, electromagnetic theory questions and answerselectromagnetic theory courses in electromagnetic theory pdf form. Geektonight team is putting a well-researched article. Geektonight is a vision to provide free and easy education to anyone on the Internet who wants to learn and grow in their career.

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### 300+ TOP MAGNETISM & ELECTROMAGNETISM Multiple choice Questions and Answers

You have entered an incorrect email address! Leave this field empty. Trending Today. Load more. Get New Updates Email Alerts Enter your email address to subscribe this blog and receive notifications of new posts by email. Today Updates. April 7. July Richards Free Download February 5. April January Popular Files. Sinha Free Download July 5.

May October 1. October 8. Trending on LearnEngineering. March April 2. Never Miss.To browse Academia. Skip to main content. Log In Sign Up. Download Free PDF. Electromagnetic Field Theory Questions and Answers pdf. Khan Kharoti. Electromagnetic Field Theory Questions and Answers pdf :- 1. Radiation intensity in a given direction is the A. Parabolic and lens antenna used at A.

Which of the following statement regarding waveguides is incorrect? At waveguide can be coupled to a coaxial cable B. At frequencies below the cut off value the wave progresses across the waveguide after total reflections C. Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves D. The potential that appears at a point in space due to the current which caused it is called potential A.

The useful magnetic flux obtainable from any closed surface is A. It is best to use for coupling a coaxial line to a parallel wire transmission line.

In H-plane metal plate lens the travelling wave front is A. MUF is depend upon A. In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as A. The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a A. The transmitting antennas for lower frequencies below kHz are generally A. A satellite that simply reflect back the signals from one region of the earth to the other region is known as A.

True B. False Answer: B Which of the following will increase the antenna radiation efficiency? Use of larger section of conductor B. Providing insulation on conductor C. Top loading of antenna D.At waveguide can be coupled to a coaxial cable B.

La frecuencia kirlian season 2At frequencies below the cut off value the wave progresses across the waveguide after total reflections C. Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves D.

Waveguides can handle large power at UHF and microwaves.

The potential that appears at a point in space due to the current which caused it is called potential. It is best to use for coupling a coaxial line to a parallel wire transmission line. In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as. The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a.

The transmitting antennas for lower frequencies below kHz are generally. A satellite that simply reflect back the signals from one region of the earth to the other region is known as. Use of larger section of conductor B. Providing insulation on conductor C. Top loading of antenna D. Any of the above. Short-circuited stub B. A quarter wave line C.

Balun transformer D. A half wave line. In case of surface waves the field strength at a point is directly proportional to. Television signals are propagated as ground waves B. Surface waves can propagate on piezoelectric substrates C.

## 300+ TOP ELECTROMAGNETIC FIELD THEORY Questions and Answers pdf

The skip distance is the maximum distance upto which ionospheric reflection is possible D. Tropospheric scatter propagation is always subjects to fading.

The power gain of a half-wave dipole with respect to an isotropic radiator is. In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to.

When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called. In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include. Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? Dust particles may not accumulate B.

Charge per unit area becomes very high for lightening to discharge C. Rain drops may not collect D. None of the above.The fairness of a particular gamble is more clear in a game involving relatively pure chance, such as the ping-pong ball method used in state lotteries in the United States. It is much harder to judge the fairness of the odds offered in a wager on a sporting event such as a football match.

The language of odds such as "ten to one" for intuitively estimated risks is found in the sixteenth century, well before the development of mathematical probability. Odds are expressed in the form X to Y, where X and Y are numbers. Usually, the word "to" is replaced by a symbol for ease of use. This is conventionally either a slash or hyphen, although a colon is sometimes seen.

When the probability that the event will not happen is greater than the probability that it will, then the odds are "against" that event happening. Odds of 6 to 1, for example, are therefore sometimes said to be "6 to 1 against". To a gambler, "odds against" means that the amount he or she will win is greater than the amount staked. It means that the event is more likely to happen than not. This is sometimes expressed with the smaller number first (1 to 2) but more often using the word "on" ("2 to 1 on") meaning that the event is twice as likely to happen as not.

Note that the gambler who bets at "odds on" and wins will still be in profit, as his stake will be returned. In common parlance, this is a "50-50 chance". Guessing heads or tails on a coin toss is the classic example of an event that has even odds. In gambling, it is commonly referred to as "even money" or simply "evens" (1 to 1, or 2 for 1).

The term "better than evens" (or "worse than evens") varies in meaning depending on context.

Swiper carousel codepenLooked at from the perspective of a gambler rather than a statistician, "better than evens" means "odds against". So, it is "better than evens" from the gambler's perspective because it pays out more than one-for-one. If an event is more likely to occur than an even chance, then the odds will be "worse than evens", and the bookmaker will pay out less than one-for-one.

In statistics, odds are an expression of relative probabilities, generally quoted as the odds in favor. The odds (in favor) of an event or a proposition is the ratio of the probability that the event will happen to the probability that the event will not happen.

1999 warMathematically, this is a Bernoulli trial, as it has exactly two outcomes. For example, the odds that a randomly chosen day of the week is a weekend are two to five (2:5), as days of the week form a sample space of seven outcomes, and the event occurs for two of the outcomes (Saturday and Sunday), and not for the other five. For example, the odds against a random day of the week being a weekend are 5:2. For example, "odds of a weekend are 2 to 5", while "chances of a weekend are 2 in 7".

In casual use, the words odds and chances (or chance) are often used interchangeably to vaguely indicate some measure of odds or probability, though the intended meaning can be deduced by noting whether the preposition between the two numbers is to or in. Odds as a ratio, odds as a number, and probability (also a number) are related by simple formulas, and similarly odds in favor and odds against, and probability of success and probability of failure have simple relations.

This is a minor difference if the probability is small (close to zero, or "long odds"), but is a major difference if the probability is large (close to one). These transforms have certain special geometric properties: the conversions between odds for and odds against (resp.

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