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Class 12
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Physics
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Electromagnetic Induction
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The Experiments of Faraday and Henry
The Experiments of Faraday and Henry
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Basic Knowledge of Electromagnetic Induction
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Electromagnetic Induction
7 mins
Quick Summary With Stories
Introduction to Electromagnetic Induction
3 mins
Faradays experiments
2 mins
Current Induced by Another Current Carrying Conductor
3 mins
Important Questions
A coil of insulated copper wire is connected to a galvanometer. What will happen if a bar magnet is (i) pushed into the coil (ii) withdrawn from inside the coil (iii) held stationary inside the coil.
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In the arrangement shown in the figure, there are two coils wound on a non-conducting cylindrical rod. Initially, the key is not inserted. Then the key is inserted and later removed. Then :
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Describe one experiment to demonstrate the phenomenon of electromagnetic induction.
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Define electromagnetic induction?
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What is electromagnetic induction?
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The change in magnetic field lines in a coil is the cause of induced electric current in it. Name the underlying phenomenon.
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Which of the following electrical devices works on the principle of electro-magnetic induction ?
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When a bar magnet is pushed towards ( or away ) from the coil connected to a galvanometer, the pointer in the galvanometer deflects. Identify the phenomenon causing this deflection and write the factors on which the amount and direction of the deflected depends. State the laws describing this phenomenon.
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Direction of induced EMF can be found from
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What do you understand by the term electromagnetic induction? Explain with the help of a diagram.
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