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Surface Integral

if a projecte...

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if a projected charge passes through a zero gravity region wothout change in its velocity,them fiund possible ceses of electric and magnetic field in that region a)E=0,B=0 b)E=0,B is not equal to 0 c)E and b both are not equal to 0 d)E is not equal to 0 but B=

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Q. A proton moving with a constant speed passes through a region of space without any change in its speed. If

E

B

represent the electric and magnetic fields respectively, this region of space may have
a)

B \neq 0, E = 0

B = 0, E \neq 0

B = 0, E = 0

B \neq 0, E \neq 0

Q. A particle of charge per unit mass

α

is projected from origin with a velocity

\to v = v_{0}^i

in a uniform magnetic field

\to B = - B_{0}^k

. If the particle passes through

(0, y, 0)

y

Q. Column - I gives electric and magnetic fields in different regions of space. Column - II gives possible path a charged particle in these regions. Match appropriately:

\begin{matrix} Column I & Column II (A) \to E = 0, \to B = B_{0}^k & (p) Straight line (B) \to E = E_{0}^k, \to B = 0 & (q) Circle (C) \to E = E_{0}^k, \to B = - B_{0}^k & (r) Parabola (D) \to E = - E_{0}^k, \to B = - B_{0}^k & (s) Helix of increasing pitch (t) Helix of decreasing pitch \end{matrix}

Q. A proton moving with a constant velocity passes through a region of space without any change in its velocity. If E and B represent the electric and magnetic fields respectively, this region of space may not have

Q. A charged particle moves in a gravity-free space without change in velocity. Which of the following is/are possible?
(a) E = 0, B = 0
(b) E = 0, B ≠ 0
(c) E ≠ 0, B = 0
(d) E ≠ 0, B ≠ 0

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