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Faraday's Law

Observe the f...

Question

Observe the following figure :
If the current in the coil A is changed, will some current be induced in the coil B? Explain.

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Solution

If the current in the coil A is changed, then there will be an induced current in the coil B due to the phenomenon of electromagnetic induction. The direction of the current in the coil B will be the opposite of the direction of the current in the coil A.

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Q. (a) Two circular coils A and B are placed closed to each other. If the current in the coil A is changed will some current be induced in the coil B? Give reason?
(b) State the rule to determine the direction of a:
(i) Magnetic field produced around a straight conductor carrying current.
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(iii) Current induced in a coil due to its rotation in a magnetic field.

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