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Question: 

Find the direction of the force on a negative charge for each diagram shown in Fig. 20–52, where $\vec{v}$ (green) is the velocity of the charge and $\vec{B}$ (blue) is the direction of the magnetic field. ($\otimes$ means the vector points inward. $\odot$ means it points outward, toward you.)

Problem 12. (a)

Figure 20-52 (a).

Problem 12. (b)

Figure 20-52 (b).

Problem 12. (c)

Figure 20-52 (c).

Problem 12. (d)

Figure 20-52 (d).

Problem 12. (e)

Figure 20-52 (e).

Problem 12. (f)

Figure 20-52 (f).

Source: Giancoli, Douglas C., Physics: Principles with Applications, 7th Edition, 2014.

Quick Answer: 

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Giancoli 7th Edition, Chapter 20, Problem 12

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