A bar of length L and is free to slide without friction on horizontal rails as shown. A uniform magnetic field B is directed into the plane of the figure. If the switch S is closed, then the bar will move : (a) To the left (b) To the right (c) Do not move at all (d) To the right then to the left (e) To the left then to the right Q17: A bar of length L. is free to slide without friction on horizontal rails as shown. A uniform magnetic field B is directed out of the page. If the switch S is closed then the magnetic force on the bar is: (A) ILB(-i) (B) ILB) (C) ILB () ell O O LO O OF O OO o lo 0 10 O (D) ILB(-)) (E) Zero X
A bar of length L and is free to slide without friction on horizontal rails as shown. A uniform magnetic field B is directed into the plane of the figure. If the switch S is closed, then the bar will move : (a) To the left (b) To the right (c) Do not move at all (d) To the right then to the left (e) To the left then to the right Q17: A bar of length L. is free to slide without friction on horizontal rails as shown. A uniform magnetic field B is directed out of the page. If the switch S is closed then the magnetic force on the bar is: (A) ILB(-i) (B) ILB) (C) ILB () ell O O LO O OF O OO o lo 0 10 O (D) ILB(-)) (E) Zero X
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Transcribed Image Text:A bar of length L and is free to slide without friction on
horizontal rails as shown. A uniform magnetic field B is directed
into the plane of the figure. If the switch S is closed, then the bar
will move :
(a) To the left
(b) To the right
X
X
(c) Do not move at all
X
(d) To the right then to the left
(e) To the left then to the right
X
Q17: A bar of length L is free to slide without friction
on horizontal rails as shown. A uniform magnetic
field B is directed out of the page. If the switch S
is closed then the magnetic force on the bar is:
(A) ILB(-i)
(B) ILB (1)
(C) ILB ()
Hasan
es ell
o o
O
O
On
O
OOOO
O
O
O
Boot
X
(D) ILB(-) (E) Zero
ON
Ax
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