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What is an example of an electromagnetic?

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Description : What is the speed of an electromagnetic wave in water?

Description : How fast is an electromagnetic wave?

Description : What are the electromagnetic waves used in remote control?

Description : What are the dangers of electromagnetic waves?

Description : What do you mean by electromagnetic field?

Description : What is the definition of electromagnetic force?

Description : i) Explain electromagnetic spectrum with neat diagram. ii) Explain atmospheric noise with example. 

Answer : Explanation:-  The electromagnetic spectrum is the range of frequencies of electromagnetic radiation and their respective wavelengths  The electromagnetic spectrum covers ... spread over the complete frequency spectrum used for radio communication.  Example: Lightning 

Description : What is the frequency range of VHF electromagnetic waves? A) 30-300 kHz B) 30-3000 kHz C) 30-300 MHz D) 30-3000 MHz

Answer : What is the frequency range of VHF electromagnetic waves? A) 30-300 kHz B) 30-3000 kHz C) 30-300 MHz D) 30-3000 MHz

Description : What is an example of an open loop system?

Answer : Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc

Description : What is an example of an analog device?

Description : Define Faraday’s first law of electromagnetic induction. 

Answer : Faraday’s First Law: Whenever a changing magnetic flux links with a conductor, an emf is induced in that conductor.  OR  When a conductor cuts across magnetic field, an emf is induced in that conductor.

Description : State advantages & disadvantages of electromagnetic flow meter.

Answer : Advantage: Provides wide linear range. 2) Ability to measure reverses flow. 3) Gives rapid response to flow changes. 4) No obstruction is created to flow. 5) It can handle corrosive as ... and pipe networks with relatively short inside diameters. 3) It is useful for electrically conducting fluid.

Description : Justify electromagnetic wave is said to be transverse wave. 

Answer : Transverse electromagnetic wave:- The electromagnetic waves are oscillations which propagate through free space. In electromagnetic waves the direction of electric field, magnetic field & propagation are ... electric field vector with respect to the surface (i.e. looking at the horizon) 

Description : State Faraday's law of electromagnetic induction.

Answer : First Law: - Whenever change in the magnetic flux linked with a coil or conductor, an EMF is induced in it. OR Whenever a conductor cuts magnetic flux, an EMF is induced in conductor.  Second Law: ... of induced EMF is directly proportional to (equal to) the rate of change of flux linkages.

Description : What is Newton Raphson Method example?

Description : DC motor gross torque example

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Nodal Analysis Example 3

Answer : Nodal Analysis Example 3

Description : Mesh Analysis Example

Answer : .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

Description : Nodal analysis example with voltage source and supernode

Answer : Nodal analysis example with voltage source and supernode

Description : Nodal Analysis Example 2

Answer : Nodal Analysis Example 2

Description : Nodal analysis example 1

Answer : Nodal analysis example 1

Description : Delta to Star Conversion Example

Answer : Delta to Star Conversion Example

Description : Current division rule example

Answer : Current division rule example

Description : Ohm's law example

Answer : Ohm's law example

Description : Parallel Reactance and Resistance Example 1

Answer : Parallel Reactance and Resistance Example 1

Description : Nodal Analysis of Electric Circuits Example

Answer : Nodal Analysis of Electric Circuits Example 1 : https://youtu.be/XLS6kDQuHj0 Nodal Analysis of Electric Circuits Example 2 : https://youtu.be/OFhurvl74bA Nodal Analysis of Electric Circuits ... youtu.be/GmOozdjTVtM Nodal Analysis of Electric Circuits Example 9 : https://youtu.be/KjgfjJ7Ubb8

Description : Explain FSM and concurrent process with example.

Answer : Finite State Machine (FSM): Finite state machine is a machine which have a transition from state to state. The system have some number of states and at a time the system can ... Y seconds. In sequential execution, the processor executes single task which causes poor processor utilization.

Description : Nodal analysis problems

Answer : Nodal analysis problem 2

Description : What is the force that holds protons and neutrons together in the nucleus of an atom?

Description : How can a magnetic field be used to generate an electric current?

Answer : Magnetic  field  can  be  used  to  generate  electric  current  on  a  condition  that  it  is  on  a  rate  of  changing  magnetic  flux.  (Faraday's  law)

Description : In an electromagnetic wave, the E and B fields are both perpendicular to what?

Answer : ANSWER: THE DIRECTION OF THE WAVE or DIRECTION OF WAVE ROPAG 

Description : In an electromagnetic wave, what is the relative orientation of the magnetic and electric fields? w) 180 degrees x) 90 degrees y) 45 degrees z) 22.5 degrees

Answer : ANSWER: X -- 90 DEGREES

Description : In an electromagnetic wave, the ratio of the magnitudes of the electric field to the magnet field is equal to what?  

Answer : ANSWER: THE SPEED OF LIGHT or C

Description : The rms value of the current in a wire which carries a d.c. current of 10 A and a sinusoidal alternating current of peak value 20 A is  (A) 10 A (B) 14.14 A (C) 15 A (D) 17.32 A

Answer : The rms value of the current in a wire which carries a d.c. current of 10 A and a sinusoidal alternating current of peak value 20 A is 17.32 A

Description : The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper tube of 60 mm diameter is  (A) 3.2 µH (B) 3.2 mH (C) 32.0 mH (D) 3.2 H

Answer : The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper tube of 60 mm diameter is 32.0 mH

Description : Why is electromagnetism so important?

Description : How is electromagnetism used today?

Answer : The base of electrical engineering is electromagnetism. You found electromagnetism everywhere in a electrical devices around you.

Description : Which of the following waves is not a transverse wave? w) a wave traveling on a string x) an electromagnetic wave y) a sound wave

Answer : ANSWER: Y -- A SOUND WAVE

Description : For an electromagnetic wave traveling in a vacuum, if the magnitude of the intensity of the E field is zero, the magnitude of the intensity of the B field is: w) zero x) a negative maximum y) a positive maximum z) the square root of 2 times the positive maximum

Answer : ANSWER: W -- ZERO

Description : An electromagnetic wave is ALWAYS: w) longitudinal x) polarized y) spherical z) transverse.

Answer : ANSWER: Z -- TRANSVERSE

Description : Which one among the following is not an electromagnetic wave? (1) X-Ray (2) R-Ray (3) Cathode Ray (4) Infrared Ray

Answer : Cathode Ray

Description :  Which of the following is not an electromagnetic device?  a) Hall transducer b) Transformer c) Speedometer d) Eddy current damping device

Answer :  Which of the following is not an electromagnetic device?  Hall transducer

Description : If frequency is decreased 4 times, then skin depth of an Electromagnetic wave inside a conductor will be :  A) halved B) quadrupled C) doubled D) no change

Description : “In all cases of electromagnetic induction, an induced voltage will cause a current to flow in a closed circuit in such a direction that the magnetic field which is caused by that current will oppose the change that produces the current” is the original statement of

Answer : “In all cases of electromagnetic induction, an induced voltage will cause a current to flow in a closed circuit in such a direction that the magnetic field which is caused by that current will oppose the change that produces the current” is the original statement of Lenz’s law.

Description : What is a chromophore? A. A coloured compound B. A group of atoms in compound responsible for electromagnetic radiation C. A group of atoms in a compound responsible for the absorption of electromagnetic radiation D. A group of atoms in coloured compound

Answer : A group of atoms in a compound responsible for the absorption of electromagnetic radiation 

Description : What is the name of the electromagnetic radiation in the range of 0.4 to 0.7 microns?

Answer : ANSWER: VISIBLE LIGHT

Description : What is electromagnetic polarization.

Answer : The polarization of a plane EM wave is simply the orientation of the electric field vector with respect to the surface (i.e. looking at the horizon) 

Description : 1. Sex determination of child is done by whose chromosome? 2. Who is authorised to decide over a dispute regarding disqualification of a member of Parliament? 3. Who firstly demonstrated ... of bargets, coasters and dredgers? 20. In which country was Buddhism first propogated outside India?

Answer : Answer : 1. Father 2. President 3. Hertz 4. Mahogany 5. Archaeological excavations 6. December 20 7. International Year of Volunteers 8. Increase growth in lenght 9. Tropical moist deciduous ... . Boxing 17. Herbert Spencer 18. During a Financial Emergency 19. Garden Reach Shipyard 20. Srilanka

Description : What is a complete root parasite? Give an example.  

Answer : Ans: A complete parasite is achlorophyllous, establishes haustorial connection with both xylem and Phloem of the host to absorb both mineral water and organic food materials from the host plant. Ex: Orobanche

Description : What cross is useful in determining the genetic purity of gametes? Show with an example.  

Answer : Ans: Test cross. If it is done between an individual with Tt genotype and the recessive parent with tt genotype, 50% of the individuals obtained will be tall and the remaining are dwarf. 

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