Answer :
The question is incomplete, however, 250.53 webre is the magnetic flux through the top of the cone
[tex][\phi _B=B\ointB*ds],[\phi _B=B*A cos \theta][/tex]
B= magnetic field
A= Surface area
[tex]\theta[/tex] Angle between A and B
for a circular cone
r=4.2 m
b=5.2 T
n=7.6m
[tex]\theta[/tex]= 28.8°
Area for cone = [tex]A=\pi r^2[/tex] =[tex]\pi *4.2^2=55.38m[/tex]
putting all the values
[tex]\theta[/tex]= 250.53
An electromotive force (emf) is produced in a loop when the flux of magnetic induction through the loop changes. Magnetic flux is a measure of the total magnetic lines of force that are present in a region.
A lengthy coil or solenoid creates a magnetic field and a magnetizing force when electricity flows through it. The coil's static magnetic field behaves like a bar magnet with a definite North Pole and South Pole.
The quantity of current flowing through the coil directly relates to the magnetic flux that happened there.
To know more about Magnetic flux visit : https://brainly.com/question/15655691
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