Test: Magnetostatics - Electronics and Communication Engineering (ECE) MCQ
20 Questions MCQ Test GATE ECE (Electronics) Mock Test Series 2025 - Test: Magnetostatics
A rectangular loop of wire in free space joins points A(1, 0, 1) to B(3, 0, 1) to C(3, 0, 4) to D(1, 0, 4) to A. The wire carries a current of 6 mA flowing in the uz direction from B to C. A filamentary current of 15 A flows along the entire z, axis in the uz directions.
Que: The force on side BC is
A rectangular loop of wire in free space joins points A(1, 0, 1) to B(3, 0, 1) to C(3, 0, 4) to D(1, 0, 4) to A. The wire carries a current of 6 mA flowing in the uz direction from B to C. A filamentary current of 15 A flows along the entire z, axis in the uz directions.
Que: The force on side AB is
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A rectangular loop of wire in free space joins points A(1, 0, 1) to B(3, 0, 1) to C(3, 0, 4) to D(1, 0, 4) to A. The wire carries a current of 6 mA flowing in the uz direction from B to C. A filamentary current of 15 A flows along the entire z, axis in the uz directions.
Que: The total force on the loop is
Consider the rectangular loop on z = 0 plane shown in fig. The magnetic flux density is B = 6 xux - 9 yuy + 3zuz Wb/m2. The total force experienced by the rectangular loop is
Three uniform current sheets are located in free space as follows: 8uz A/m at y = 0, -4uz A/m at y = 1 and -4uz A/m at y = -1. Let F be the vector force per meter length exerted on a current filament carrying 7 mA in the uL direction.
Que: If the current filament is located at x = 0, y = 0.5 andu uL = uZ , then F is
Three uniform current sheets are located in free space as follows: 8uz A/m at y = 0, -4uz A/m at y = 1 and -4uz A/m at y = -1. Let F be the vector force per meter length exerted on a current filament carrying 7 mA in the uL direction.
Que: If the current filament is located at y = 0.5, z = 0, and uL = ux, then F is
Two infinitely long parallel filaments each carry 100 A in the uz direction. If the filaments lie in the plane y = 0 at x = 0 and x = 5 mm, the force on the filament passing through the origin is
A conducting current strip carrying K = 6uz A/m lies in the x = 0 plane between y = 0.5 and y = 1.5 m. There is also a current filament of I = 5 A in the uz direction on the z –axis.
Que: The force exerted on the filament by the current strip is
A conducting current strip carrying K = 6uz A/m lies in the x = 0 plane between y = 0.5 and y = 1.5 m. There is also a current filament of I = 5 A in the uz direction on the z –axis.
Que: The force exerted on the strip by the filament is
In a material the magnetic field intensity is H = 1200A/m when B = 2 Wb/m2. When H is reduced to 400 A/m, B =1.4 Wb/m2. The change in the magnetization M is
In a certain material for which μr = 6.5 ,
H = 10ux + 25uy - 40uz A/m
Que:
The magnetic susceptibility χm of the material is
In a certain material for which μr = 6.5 , H = 10ux + 25uy - 40uz A/m
Que: The magnetic flux density B is
In a certain material for which μr = 6.5 , H = 10ux + 25uy - 40uz A/m
Que: The magnetization M is
In a certain material for which μr = 6.5 , H = 10ux + 25uy - 40uz A/m
Que: The magnetic energy density is
For a given material magnetic susceptibility χm = 3.1 and within which B = 0.4 yuz T.
Que: The magnetic field H is
For a given material magnetic susceptibility χm = 3.1 and within which B = 0.4 yuz T.
Que: The magnetization M is
A particular material has 2.7 x 1029 atoms/m3 and each atom has a dipole moment of 2.6 x 1030 uy A .m2. The H in material is (μr = 4.2 )
In a material magnetic flux density is 0.02 Wb/m2 and the magnetic susceptibility is 0.003. The magnitude of the magnetization is
A uniform field H = -600 uy A/m exist in free space. The total energy stored in spherical region 1 cm in radius centered at the origin in free space is
The magnetization curve for an iron alloy is
approximately given by If H increases from 0 to 210 A/m, the energy stored per unit volume in the alloy is
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25 docs|263 tests
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25 docs|263 tests
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