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Why is magnetic field strongest at center of a coil?

Why is magnetic field strongest at center of a coil?

The magnetic field is strongest inside the coil. This is because the effects of both sides of the vertical part of the wires add up at the centre. The standard right hand grip rule can be modified to predict the direction of the magnetic field.

Where is the strongest magnetic field in a coil?

As can be visualized with the magnetic field lines, the magnetic field is strongest inside the magnetic material. The strongest external magnetic fields are near the poles. A magnetic north pole will attract the south pole of another magnet, and repel a north pole.

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Do magnetic fields strength follow the inverse square law?

Magnetic force obeys an inverse square law with distance. The equation for magnetic force is similar to Coulomb’s Law (if you are familiar with it). But the key point is that the force is inversely proportional to the distance squared (i.e. it obeys an inverse square law with distance).

What is the direction of magnetic field at the centre of the coil How can we increase the strength of the magnetic field?

The deflection of needle of magnetic compass placed at the centre of circular wire of smaller radius is more than that placed at centre of circular wire of larger radius. If number of turns in circular wire are increased,Magnetic field at the centre of loop increases.

What is the strength of the magnetic field of a coil?

The magnetic field strength of an electromagnet is therefore determined by the ampere turns of the coil with the more turns of wire in the coil the greater will be the strength of the magnetic field.

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Where is the magnetic field the strongest Why?

The magnetic field around a solenoid depends on core, turns and current. For a magnet, the flux lines repel each other so the field will be weaker at the sides. But they are concentrated at the poles, where they originate, so the field is stronger.

How does the strength of the magnetic field change with distance?

For both monopoles and dipoles, the field strength decreases as the distance from the source increases. , often called the inverse square law. For electric dipoles, the field strength decreases more rapidly with distance; as R -3 .

How does the strength of the magnetic field change with increasing distance from the bar magnet?

How does the strength of the magnetic field change with increasing distance from the bar magnet and how does the simulation show this? – The magnetic field gets weaker the further away from the magnet we get.

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How would the strength of magnetic field produced at the Centre?

1) if the radius increases the magnetic field lines go farther and farther so the strength of the magnet decrease. 2) if the number of turns increase then the magnetic field lines become denser. So the strength of the magnet increase.

How does the strength of the magnetic field at the Centre of the coil depends on?

The strength of magnetic field depends upon: (i) Magnetic field(B) is inversely proportional to the radius of the coil. (ii) B is directly proportional to the number of turns n of the coil. For each circular turn, the direction of current is same.