A rectangular 12.0 c m by 18.0 c m circuit carrying an 8.00 A current is oriente

Question

A rectangular 12.0cm by 18.0cm circuit carrying an 8.00A current is oriented with its plane parallel to a uniform 0.700T magnetic field (see the figure(Figure 1) ).

Find the magnitude of the magnetic force on each segment (ab, bc, etc.) of this circuit.

Find the magnitude of the net force on the entire circuit.

A rectangular 12.0cm by 18.0cm circuit carrying an 8.00A current is oriented with its plane parallel to a uniform 0.700T magnetic field (see the figure(Figure 1) ). Find the magnitude of the magnetic force on each segment (ab, bc, etc.) of this circuit. Find the magnitude of the net force on the entire circuit.

Explanation / Answer

F=iLxB {L is direction of current}

So

F(ab)=8*0.18*0.7=1.008N(into the plane)

F(cd)=8*0.18*0.7=1.008N (out of the plane i.e towards you)

F(bc)=F(cd)=0

F(net)=0 as F(ab) and F(cd) cancel each other

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