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B=µNi/2πR

where

N-number of turns per unit length

µ-permeability of medium

i-current

R-radius

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Q: What is a magnetic field an an empty space enclosed by the toroidal solenoid of radius R?
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What is effective magnetic length?

Magnetic length is related to the larmour radius: r = mv/(qB) = mvr/(qBr)=L/(qBr)Since L is quantised as m(l)h; m(l) =magnetic quantum number= integers, so let it be unity for the smallest value or r, then r^2=h/(qB) and the vale of r with m(l) = 1 is called magnetic length l(B): so l(B) = sqrt(h/qB)The physical interpretation of this length is that the area swept out by this length (2*pi*l*l) contains one quantum of magnetic flux.


What is another word for atomic radius?

The other word for atomic radius includes the Van der Waals radius, ionic radius, and covalent radius. The atomic radius refers to half the distance between the nuclei of identical neighboring atoms in the solid form of an element.


What is the radius of gyration of a flywheel in the form of a uniform cylinder of radius 0.43m?

For a solid cylinder, divide the radius of the flywheel by the square root of 2, to get the radius of gyration.


How do you study earth's magnetic field using a tangent galvanometer?

The expression for tan @ is F/B Here F = mu not n I / 2a mu not = permiability of air which equals to 4pi x 10-7 H/m n = number of turn in the TG a - radius of coil in TG in meter I = the current flowing through in ampere B is the earth's magnetic field. Hence B = F / tan@ Here @ is the angle of deflection in the TG when two perpendicular fields are applied. Here one is earth's magnetic field whose induction is B tesla and F is the magnetic field produced due to flow of current in the TG coil


A sentence for the word radius?

The radius of a circle is 1/2 of the diameter.

Related questions

What is toroidal?

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A sphere of radius r is inscribed in a cube what is the volume enclosed between the cube and sphere?

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What is the volume of a spherical shell with inner radius of 1 Meter and outer radius of 2 Meter?

==================================Answer #2:I believe you want the volume of the shell ... the material between theinside and outside diameters ... whereas the first answer, above, gave youthe volume of the hole in the middle of everything. Here's my take on it:-- Volume of a sphere is 4/3 pi R3-- Volume enclosed by the outer radius is 4/3 pi (2)3-- Volume enclosed by the inner radius is 4/3 pi (1)3-- Volume of the material between them is4/3 pi (23 - 13) = 4/3 pi x 7 =28/3 pi = 29.32 m3. (rounded)The volume of a spherical shell is equal to the difference between the volume of a sphere with a radius of 2 m and a volume of a sphere with a radius of 1 meter:V= 29,321531433504736892318004910609 м3


A pulsar requires that a neutron star 1rotate rapidly 2have a radius of at least 10Km 3have a stron magnetic field 4 rotate on an axis different from the axis of the magnetic field what is tru?

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Which of the two an alpha particle or a proton projected normal to a uniform magnetic field would describe a path of smaller radius?

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What is the EMP effect radius for a 1 megaton warhead?

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Can the perimeter be 18 and still the area is 42?

For a given perimeter, the greatest possible area is enclosed by a circle.A circle with a circumference of 18 has a diameter of (18/pi) and a radius of (9/pi).Its area is (pi R2) = (pi 92/pi2) = 81/pi = 25.78 (rounded)So an area of 42 cannot be enclosed by a perimeter of 18.


What would happen to the surrounding environment if a pebble of metal cobalt were to suddenly pop into existence in a small enclosed crate of your choice and what would one hear smell see etc?

Everything within a 25 mile radius would be annihilated.


What is beta tron?

Beta tron is a device for speeding up electrons to extremely high energies with the help of expanding magnetic field. The beta tron differs from cyclotron in the two fundamental respects - 1) in beta tron the electron are accelerated by expanding magnetic field 2)the circular orbit has a constant radius.


What are its parts of circle?

Circumference is the perimeter of a circle Diameter is the length spanning a circle cutting through its center Radius is half the length of a circle's diameter Tangent is a straight line that touches a circle's circumference at one point Arc is part of a circle's circumference Chord is a straight line joining any two points of a circle's circumference Sector is the area enclosed by an arc and two radii Segment is the area enclosed by arc and a chord Circle's circumference divided by its diameter is equal to the value of pi Area of a circle = pi*radius squared There are 360 degrees around a circle


What is magnetic effects?

Magnetic length is related to the larmour radius: r = mv/(qB) = mvr/(qBr)=L/(qBr)Since L is quantised as m(l)h; m(l) =magnetic quantum number= integers, so let it be unity for the smallest value or r, then r^2=h/(qB) and the vale of r with m(l) = 1 is called magnetic length l(B): so l(B) = sqrt(h/qB)The physical interpretation of this length is that the area swept out by this length (2*pi*l*l) contains one quantum of magnetic flux.