tes falling maslve, charged particle is suddenly exposed to a uniform vertical magnetic feld. What will be the subsequent trajectory of the particle? (A)Straight line (D)circular (C) hellx (D)cyclold (E) None Fa 9 (VXB
tes falling maslve, charged particle is suddenly exposed to a uniform vertical magnetic feld. What will be the subsequent trajectory of the particle? (A)Straight line (D)circular (C) hellx (D)cyclold (E) None Fa 9 (VXB
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B/s
Paper B
fire falling massive, charged particle is suddenly exposed to a uniform vertical magnetic field.
What will be the subsequent trajectory of the particle?
(A) Straight line
(B)circular
(C) helix
(D)cycloid
(E) None
12. Which one of the following statement is not true for, VB-0:
Fa 9 (VXB).
(4)B is constant
(BTThere are no magnetic monopoles
(eNet magnetic flux leaving a closed surface is always zero
(Đ) Magnetic forces do no work
(E) None
13. A charge particle has acceleration d = 21 + HJ in a mangnetic field -31+ 2) - 4k Find the
value of H
(A)0
(B) 2
(C) 3
(D)4
(E) None of them
ma = gVB.
a.8 - o
-6 +2H - 0
2 HO
-3
2 4
14. Which one of the following statements is incorrect for a typical electrical conduetor?
Á)A conductor is equipotential
Any net charge resides on the surface of a conductor
(C)E-0 inside a conductor
(D) There is no net force on a point charge near a neutral conductor
(E) None
15. Two point-charges q and-q are placed on the z-axis at z = and z = - respectively inside a
2 spherical shell of radius R centered at the origin. Find the total electric flux through the spherical
surface.
E-A.
(A) zero
(B) 2q/ta
(C)-2q/to
(D)qleo
(E) -q/es
E k.
Paper B
16 Evaluate the following integral 6(x- 2)e-'dx
DL = 2.
(B)e-
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