A magnetic field of magnitude 0.56 T isdirected vertically upward. (a) Find the

Question

A magnetic field of magnitude 0.56 T isdirected vertically upward. (a) Find the magnetic flux through a flatsurface of area 18 cm2 if thesurface is vertical.
1 _____ T–m2

(b) Find the magnetic flux through a flat surface of area 18cm2 if the surface is horizontal.
2 ______T–m2

(c) Find the magnetic flux through a flat surface of area 18cm2 if the surface is at angle of 59° with the horizontal.
3 _______T–m2 (a) Find the magnetic flux through a flatsurface of area 18 cm2 if thesurface is vertical.
1 _____ T–m2

(b) Find the magnetic flux through a flat surface of area 18cm2 if the surface is horizontal.
2 ______T–m2

(c) Find the magnetic flux through a flat surface of area 18cm2 if the surface is at angle of 59° with the horizontal.
3 _______T–m2

Explanation / Answer

a ) Magnetic flux through the surfaceArea A = 18 cm2 = 18 *10-4m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos ( 0)             ( = 0 it is in vertical )                                        = 10.08*10-4 T m2 b ) Magnetic flux through the surfaceArea A = 18 cm2 = 18 *10-4m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos (90)             ( = 90 it is in horizontal )                                        = 0 c ) Magnetic flux through the surfaceArea A = 18 cm2 = 18 *10-4m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos ( 59 )                                        = 5.19* 10 -4 m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos (90)             ( = 90 it is in horizontal )                                        = 0 c ) Magnetic flux through the surfaceArea A = 18 cm2 = 18 *10-4m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos ( 59 )                                        = 5.19* 10 -4 m2                                 B = B A cos                                        = 0.56 T * 18*10-4 cos ( 59 )                                        = 5.19* 10 -4 m2

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