Question

UILT UUTUULIL LUI
12.
A charged particle of unit mass and unit charge moves with velocity of ý = 81+6
m/s in
a magnetic field of B = 2kT then
A) The path of the particle may be x² + y - 4x-21 = 0
B) The path of the particle may be x² + y 25
C) The path of the particle may be y2 + z = 25
D) The time period of the particle will be 3.14 s
A current carrying ring with its centre at origin and moment of inertia 2x10 kg – m2
about an axis passing through its centre and perpendicular to its plane has magnetic
13.
moment M = 31-4, A-m. At time 1 = 0, a magnetic field B = 41+31 T is switched on
then
A) Angular acceleration of ring at time 1 = 0 is 2500 rad
B) Angular acceleration of ring at time 1 = 0 is 5000 rad
C) Maximum angular velocity of the ring will be 50v2 rad
D) Maximum angular velocity of the ring will be 50 rads
A particle having charge q=lc and mass m=1kg is released from rest at origin. There are
electric and magnetic fields given by
E = 109 NIC for X Sism and B = -5 T for 1 8m x 24 m
14.
A screen is placed parallel to y- z plane at x = 3 Om neglect gravity forces then
A) The speed with which the particle will collide the screen is 6 m/s
B) The speed with which the particle will collide the screen is 10 m/s
C) y-coordinate of particle when it collides with the screen
12/√3-1)
D) y-coordinate of particle when it collides with the screen is -
15
The magnetic field perpendicular to the plane of a conducting ring of radius 'a' changes of
the rate of a, then
A) All the points on the ring are at same potential
B) emf induced in the ring is ta a
C) Electric field intensity E at any point on the ring is zero
D) E =
Page 4
Space for Rough Work​

Answer 1

Answer:

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Explanation:

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