What is the magnetic field in the hollow cylinder?

What is the magnetic field in the hollow cylinder?

(2) Inside the hollow cylinder : Magnetic field inside the hollow cylinder is zero.

Why is magnetic field inside a hollow cylinder zero?

The magnetic field inside a hollow cylinder is zero because the Gaussian surface encloses no charge, since all of the charges lie on the surface of the wire, so it follows from Gauss’ law, and symmetry, that the magnetic field inside the hollow cylinder is zero.

Are magnetic field lines Infinite?

A magnetic field has no sources or sinks (Gauss’s law for magnetism), so its field lines have no start or end: they can only form closed loops, extend to infinity in both directions, or continue indefinitely without ever crossing itself.

What is the formula of magnetic field for the solid cylinder?

I/2πr.

What is the magnetic field like in the interior of a long solenoid?

The magnetic field inside a solenoid is proportional to both the applied current and the number of turns per unit length. There is no dependence on the diameter of the solenoid, and the field strength doesn’t depend on the position inside the solenoid, i.e., the field inside is constant.

What is the magnetic field due to a toroid?

The magnetic field is zero because the net current in this space is zero. Thus, the magnetic moment of the toroid is zero.

What is the electric field outside the hollow cylinder?

Using Gauss’ law the electric field outside the charged cylinder is identical to the field of a line charge with an equivalent charge density given by the equation. where r = radius of the cylinder, is the surface charge density (C /m^2) and is the equivalent linear charge density (C/m).

What is the magnetic field due to an infinitely long wire?

The magnetic field lines of the infinite wire are circular and centered at the wire (Figure 12.3. 2), and they are identical in every plane perpendicular to the wire. Since the field decreases with distance from the wire, the spacing of the field lines must increase correspondingly with distance.

How do you find the infinite wire of a magnetic field?

For an infinitely long straight wire, the magnetic field lines are circles centered on the wire. The direction is given by a right-hand rule: With your right hand, point your thumb in the direction of the current. When you curl your fingers they curl in the direction of the magnetic field.

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