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Which discovery Faraday made public ? Di...

Which discovery Faraday made public ? Discuss importance of electromagnetic induction.

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Faraday made public his discovery that relative motion between a bar magnet and a wire loop produced a small current in the latter.
The phenomenon of electromagnetic induction is not merely of theoretical or academic interest but also of practical utility. Imagine a world where there is no electricity - no electric lights, no trains, no telephones and no personal computers. Electromagnetic induction is the base of invention of electricity.
The pioneering experiments of Faraday and Henry have led directly to the development of modern day generators and transformers.
Today.s civilization owes its progress to a great extent to the discovery of electromagnetic induction.
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KUMAR PRAKASHAN-ELECTROMAGNETIC INDUCTION-Section D MCQs (MCQs asked in Competitive Exams )
  1. Which discovery Faraday made public ? Discuss importance of electromag...

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  2. Three pure inductance each of 3 H are connected as shown in figure. Th...

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  3. Two coils are placed closed to each other. The mutual inductance of th...

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  4. When electric current in a coil steadily changes from +2 A to -2 A is ...

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  5. A coil having n turns and resistance ROmega is connected with a galva...

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  6. In a uniform magnetic field of induction B a wire in the form of a sem...

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  7. One conducing U tube can be slide inside another as shown in figure, m...

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  8. Which of the following units denotes the dimension M^1 L^2 Q^(-2) ? (w...

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  9. The flux linked with a coil at any instant 't' is given by phi=10t^2-5...

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  10. Two coaxial solenoids are made by winding thin insulated wire over a p...

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  11. In a coil of resistance 100 Omega , a current is induced by changing t...

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  12. A planar loop of wire rotates in a uniform magnetic field. Initially a...

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  13. The given loop is kept in a uniform magnetic field perpendicular to th...

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  14. A conducting square frame of side 'a' and a long straight wire carryin...

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  15. An electron moves on a straight line path XY as shown. The abcd is a c...

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  16. A long solenoid has 1000 turns. When a current of 4 A flows through it...

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  17. A uniform magnetic field is restricted within a region of radius r. Th...

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  18. A circular coil of radius 10 cm, 500 turns and resistance 2Omega is pl...

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  19. A bulb connected in series with an air-cored solenoid is lit by an a.c...

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  20. Inside a parallel plate capacitor the electric field E varies with tim...

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  21. The magnetic potential energy stored in a certain inductor is 25 mJ, w...

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