Problem: A long straight horizontal wire carries a current = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the wire at constant speed = 2000 m/s . (Figure 1) A. What are the magnitude and the direction of the magnetic force on the charge?B. Select the source(s) responsible for the magnetic field that exerts a force on the moving charge?a) the chargeb) the current-carrying wirec) the charge and the current-carrying wire

FREE Expert Solution

A. The magnitude of magnetic force:

FB=qvB

The magnitude of magnetic field:

B=μ0I2πr

Substituting:

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Problem Details

A long straight horizontal wire carries a current = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the wire at constant speed = 2000 m/s . (Figure 1) 

A. What are the magnitude and the direction of the magnetic force on the charge?

B. Select the source(s) responsible for the magnetic field that exerts a force on the moving charge?

a) the charge

b) the current-carrying wire

c) the charge and the current-carrying wire