# How is electromagnetism used today?

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How is electromagnetism used today?

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

## Related questions

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Description : Why is electromagnetism so important?

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Description : Who first noticed electromagnetism ?

Last Answer : : Scientist Orested first noticed electromagnetism.

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Description : A particular device uses electromagnetism by using electricity to move magnets. The magnets in this device are than used to work. Which device uses electromagnetism In this way?

Last Answer : An electric motor

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Description : Dipoles in any electric field undergo a) Magnetism b) Electromagnetism c) Magnetisation d) Polarisation

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Description : Who founded and named the science of electromagnetism?

Last Answer : Andre Marie Ampere

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Description : The branch of physics which deals with the charges at rest: (a) Current electricity (b) Electromagnetism (c) Electrostatics (d) Nuclear physics

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Description : Define: (i) Electromagnetism (ii) Magnetic flux.

Last Answer : i)Electromagnetism : It is the magnetism generated by electricity. OR  It is defined as the phenomenon associated with electric and magnetic fields and their interactions with each other. ii) Magnetic flux : The total number of magnetic lines of force in a magnetic field is called magnetic flux.

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Description : Gauss' law of electricity, Gauss' law of magnetism, Faraday's law of induction, and Amperes' law form the basic equations of electromagnetism. This combination is collectively known as: w) Coulomb's equations x) Volta's equations y) Fermi's equations z) Maxwell's equations

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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

Last 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

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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

Last 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

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

Last 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)

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

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Description : What are the dangers of electromagnetic waves?

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

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

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Description : How fast is an electromagnetic wave?

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Description : What is an example of an electromagnetic?