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A bar slides to the right at a constant speed of 2.1 m/s on two frictionless rails. The resistance of resistor R is 5.2 N, and a 2.0 T constant magnetic field is
directed perpendicularly downward, into the page. Let l = 1.2 m.
%3D
Bin
R.
app
(a) Find the current passing through the resistor.
A
(b) The direction of magnetic force on the moving bar is
...
O Left
O Out of the page
O No magnetic force
O Into the page
Sc.
O Right
gle
ome
x XX x X
x x xx X X
x x xX X x
x x x x X X
x x x x X X
x x x X X X
x x x X X X

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