A uniform magnetic field is given by B = b t k ^, where b = 0.32 T/s . Part A Fi

Question

A uniform magnetic field is given by B =btk^, where b = 0.32 T/s .

Part A

Find the current in a conducting loop with area 290 cm2 and resistance 0.60 that lies in the x-y plane.

Express your answer using two significant figures.

Part B

In what direction is the current, as viewed from the positive z axis?

clockwise

A uniform magnetic field is given by B =btk^, where b = 0.32 T/s .

Part A

Find the current in a conducting loop with area 290 cm2 and resistance 0.60 that lies in the x-y plane.

Express your answer using two significant figures.

Part B

In what direction is the current, as viewed from the positive z axis?

clockwise

Explanation / Answer

there's some kinda law, may be lenz's law that says when magnetic flux changes around a closed loop current is produced tat opposes the change producing it...since field is in the +z direction and increasing, so the resulting current will produce field in the -ve z direction..ie clockwise current...now we have
flux= bt x area...
differntiating both sides gets us rid of time, but gives us emf and we know emf=current x resistance
emf= b x area, ie
current x resistance= b x area
current= b x area/ resistance

=.32x.0290m/.60

=0.015 A

B)

Direction is the current, as viewed from the positive z axis is clockwise

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