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Electrification

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Explain with the help of a labelled diagram the distribution of magnetic field due to a current through a circular loop. Why is it that if a current carrying coil has ‘n’ turn, the field produced at any point is a times as large as that produced by a single turn? (b)How does an electromagnet differ from a bar magnet or permanent magnet?

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Q. Explain with the help of a labelled diagram the distribution of magnetic field due to a current through a circular loop. Why is it that if a current carrying coil has n turns the field produced at any point is n times as large as that produced by a single turn?

Q. Explain with the help of a labelled diagram the distribution of a magnetic field due to a current through a circular loop. Why is it that if a current carrying loop has n turns the field produced at any point is n times as large as that produced by a single turn?

Q. Assertion :If there is a circular coil having n turns, the field produced is

\frac{1}{N}

times as large as that produced by a single turn. Reason: Current in each circular turn has a different direction, and the field due to each turn then just adds up.

Q. Please elaborate and explain me clearly based on the below statement:

"If there is a circular coil having n turns, the field produced is n times as large as that produced by a single turn. This is because the current in each circular turn has the same direction, and the field due to each turn then just adds up"

Q. A circular coil carrying a certain current produces a magnetic field

B_{0}

at its centre. The coil is now rewound so as to have 3 turns and the same current is passed through it. The new magnetic field at the centre is

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