please show work and explain PHYS 360 Homework-Chapter 17 13 26) A conducting ba

Question

please show work and explain

PHYS 360 Homework-Chapter 17 13 26) A conducting bar with length 0.14 m slides over frictionless horizontal rails connected to a voltage source so there is a constant current of 500 A in the rails and the bar. A constant magnetic field of magnitude 0.22 T is directed vertically upward in the region between the rails as shown. a) If the magnetic force on the bar is directed to the right, what is 4 4 4 the direction of the current in the bar? Explain. What is the magnetic force on the bar? b) Bin Ez) 27) (ex) A cross section of the magnetic field for a current-carrying wire is x xx x x shown. The direction of the current is

Explanation / Answer

Here ,

a) I = 500 A

B = 0.22 T

L = 0.14 m

as F = iL X B

right = iL X upwards

the direction of current upwards in the rod

b)

magnetic force = iL X B

magnetic force = 500 * 0.22 * 0.14

magnetic force = 15.4 N

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