The Magnetic Force on a Current-Carrying Wire Figure 32-30 shows several wire se

Question

The Magnetic Force on a Current-Carrying Wire Figure 32-30 shows several wire segments that carry equal currents from a to b. The wires are in a uniform magnetic field rightarrowB directed into the page. Which wire segment experiences the largest net force? 1 2 3 All experience the same net force. The question cannot be answered without additional information. Figure 32-30. Multiple-choice questions 12 and 13. Repeat Multiple-choice question 16, except assume that the uniform magnetic field could be pointing in any direction. Which wire segment experiences the largest net force? 1 2 3 All experience the same net force. The answer depends on the direction of the magnetic field.

Explanation / Answer

16)Answer option (C) 3

we know that the magnitude of magnetic force on the current carrying wire is given by the expression

F = I L B

where, I is the current, L is the length of the wire and B is the magetic field.

In our case magnitude of I and B field are same for all three, but we see that the length of wire 3 is the largest amongst all.

So the magnitude of F3 will be more.Directed put of the page.

17)Answer option (C) 3

The magnetic force acting on the wire is perpendicular to both the current and magnetic field. And still depending on the magnitude of I B L of the wire.

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