The space to the right of the y axis in (Figure 1) contains a uniform magnetic f

Question

The space to the right of the y axis in (Figure 1) contains a uniform magnetic field of unknown magnitude that points in the positive z direction. As a conducting square loop placed in the xy plane (oriented with its horizontal and vertical sides parallel to the x and y axes) moves to the right across the y axis at a constant speed of 2.0 m/s, a 0.18-V emf is induced in the loop.

Part A

If the side length of the loop is 0.30 m, what is the magnitude of the magnetic field? Express your answer with the appropriate units.

Explanation / Answer

given that

potential difference e=0.18 V

speed V=2 m/s

length L=0.3 m

concept ;

this problem belongs to basing on electro magnetic induction

formula :

induced e.m.f e=BLv

calculation :

0.18 =B*0.3*2

magnetic field B=0.18/0.3*2

=0.18/0.6

=0.3 T

the magnetic field B=0.3 T

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