2/15/2016 11:15 AM A 75/100 Gradebook Print Calculator Periodic Table Question 4

Question

2/15/2016 11:15 AM A 75/100 Gradebook Print Calculator Periodic Table Question 4 of 8 Map sapling learning Determine the direction of the force (if any) that will act on the charge in each of the following situations A positive charge within an electric field that points upward A negative charge within an electric field that points to the right. A positive char magnetic field that points out of the screen e moving to the right in a A negative charge moving upward in a magnetic field that points into the screen A positive charge moving to the right in an electric field that points out of the screen. A negative charge moving out of the screen in a magnetic field that points out of the screen into the screen zero forceupward downward out of the screen) to the right to the left Previous O Check Answer Next Exit Hint

Explanation / Answer

The direction of the electric field is taken to be the direction of the force it would exert on a positive test charge

The right hand rule states that: to determine the direction of the magnetic force on a positive moving charge, ƒ, point the thumb of the right hand in the direction of v, the fingers in the direction of B, and a perpendicular to the palm points in the direction of F.

1) upwards

2) to the left

3) downwads

4) to the right

5) out of the screen

6) zero force ( as f=qv x B)

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