Answer :
The magnitude of B is 0.24 T.
Size usually refers to quantity or distance. As for motion size can be related to the size and speed of moving objects. The size of an object or quantity is its size. Magnitude can be used to describe the speed comparison between cars and bicycles.
calculation:-
Magnetic force is balanced by the gravity
Fm = Fg
BILsin90° = mg
∵ B = mg/IL
m = 200g = 0.2 kg
g = 9.8
I = 2A
L = 2m
B = 0.2 × 9.8/2 ×2
= 0.24 T
Can also be used to describe how far an object has moved and how it relates to the size of the object. The magnitude of a force is how much it accelerates the object it acts on and is expressed as a scalar single number. Size can also be considered a strength. A physical quantity is represented by a combination of a number and a unit. This number used to describe a physical quantity is known as the magnitude of that quantity.
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