Each figure shows a charge moving at velocity v in the presence of a magnetic fi

Question

Each figure shows a charge moving at velocity v in the presence of a magnetic field B. The charge can be positive or negative and is shown moving through the origin of a rectangular coordinate system. The plane formed by the v and B vectors is represented by a dashed square, and this plane is one of the three rectangular coordinate planes. You will be asked to determine the magnetic force vector Fs acting on the moving charge as it passes through the origin. What is the magnetic force vector Fe acting on the moving charge in terms of a scalar and unit vector, as seen in the figure to the right? Fgxi O-FBx? -F Fazk Submit Answer Tries 0/2 What is the magnetic force vector FB acting on the moving charge in terms of a scalar and unit ' vector, as seen in the figure to the right? -F FByj Fazk Submit Answer Tries 0/2 what is the magnetic force vector FB . acting on the moving charge in terms of a scalar and unit vector, as seen in the figure to the right? -F -F Submit Answ Tries 0/2

Explanation / Answer

From the force expression F=q(v X B) , where v and B are vector and F is the force applied on charge q which perlendicular to plane containing v and B vector.

Part 1: option b is correct, - x direction

Part 2: option a is correct, + x direction

Part 3: option f is coorect, -z direction

Part 4 : repeated question 3, option f is correct, - z direction.

Part 5: option e is correct, + z direction.

I use + ve sign for positive charge while -ve sign in the expression for negative charge.

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