Last Updated On [03-11-2023]
A particle of mass m and charge q moving with velocity v enters Region-2 normal to the boundary as shown in the figure. Region-2 has uniform magnetic field B perpendicular to the plane of the paper. The length of the Region-2 is l.Choose the correct choice.
A. The particle enters Region-3 only if its velocity v>q l B/m.
B. The particle enters Region-3 only, if its velocity v<q l B/m.
C. Path length of the particle in Region-2 is maximum when velocity v =q l B/m.
D. Time spend in Region-2 is same for any velocity v as long as the particle return to Region-1.
(a)
(b)
A, C true
(c)
(d)
All are true
A particle of mass m and charge q moving with velocity v enters Region-2 normal to the boundary as shown in the figure. Region-2 has uniform magnetic field B perpendicular to the plane of the paper. The length of the Region-2 is l.Choose the correct choice.
A. The particle enters Region-3 only if its velocity v>q l B/m.
B. The particle enters Region-3 only, if its velocity v<q l B/m.
C. Path length of the particle in Region-2 is maximum when velocity v =q l B/m.
D. Time spend in Region-2 is same for any velocity v as long as the particle return to Region-1.
|
(a) |
|
(b) |
A, C true |
(c) |
|
(d) |
All are true |
Question ID - 154087 :-
A particle of mass m and charge q moving with velocity v enters Region-2 normal to the boundary as shown in the figure. Region-2 has uniform magnetic field B perpendicular to the plane of the paper. The length of the Region-2 is l.Choose the correct choice.
A. The particle enters Region-3 only if its velocity v>q l B/m.
B. The particle enters Region-3 only, if its velocity v<q l B/m.
C. Path length of the particle in Region-2 is maximum when velocity v =q l B/m.
D. Time spend in Region-2 is same for any velocity v as long as the particle return to Region-1.
(a)
(b)
A, C true
(c)
(d)
All are true
|
A particle of mass m and charge q moving with velocity v enters Region-2 normal to the boundary as shown in the figure. Region-2 has uniform magnetic field B perpendicular to the plane of the paper. The length of the Region-2 is l.Choose the correct choice. A. The particle enters Region-3 only if its velocity v>q l B/m. B. The particle enters Region-3 only, if its velocity v<q l B/m. C. Path length of the particle in Region-2 is maximum when velocity v =q l B/m. D. Time spend in Region-2 is same for any velocity v as long as the particle return to Region-1.
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Next Question :
A uniform magnetic filed
T exists in a circular region of radius 
m. A loop of radius 
m encloses the magnetic filed at 
and then pulled at uniform speed 
m/s in the plane of the paper. Find the induced emf (in V) in the loop at time 
s
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