Which of the following combinations of particle charge q and velocity ī, in a magnetic field B, corresponding to a magnetic force FB, is invalid? Consider the N-E-W-S direction system, with up as going away from the ground and down as going into the ground. (A) q < 0,ữ : going north, B : directed to west, FB : downward (B) q> 0,ỡ : downward, B : directed to north, FB : directed to east (C) q < 0,ỡ : upward, B : directed to south, FB : directed to east (D) q < 0, ữ : going east, B : directed to north, FB : downward (E) q < 0,& : going east, B : directed downward, Fp : directed to south

Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter30: Magnetic Fields And Forces
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Which of the following combinations of particle charge q and velocity
v, in a magnetic field B, corresponding to a magnetic force FB, is invalid?
Consider the N-E-W-S direction system, with up as going away from the
ground and down as going into the ground.
(A) q< 0, : going north, B: directed to west, FB : downward
(B) q > 0, ở : downward, B: directed to north, FB : directed to east
(C) q < 0, 7 : upward, B: directed to south, FB : directed to east
(D) q < 0, ỡ : going east, B : directed to north, FB : downward
(E) q < 0, T : going east, B : directed downward, FB : directed to south
Transcribed Image Text:Which of the following combinations of particle charge q and velocity v, in a magnetic field B, corresponding to a magnetic force FB, is invalid? Consider the N-E-W-S direction system, with up as going away from the ground and down as going into the ground. (A) q< 0, : going north, B: directed to west, FB : downward (B) q > 0, ở : downward, B: directed to north, FB : directed to east (C) q < 0, 7 : upward, B: directed to south, FB : directed to east (D) q < 0, ỡ : going east, B : directed to north, FB : downward (E) q < 0, T : going east, B : directed downward, FB : directed to south
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