What is the instantaneous magnetic force on a proton (+e) moving with velocity v =–v, in a uniform magnetic field B = B_(i + k)? F = e v B (j+ k) а. 0 0 ev B,(k – î) 2 e v,B, k b. F = F с. 0 0 d. F – e vB (k + i)

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What is the instantaneous magnetic force on a proton (+e) moving
B¸î + ky?
В (i +
with velocity v =- vj in a uniform magnetic field B
а. F
ev̟8,Û + k)
0 0
b. F =
e v B (k
i)
2 ev B, k
e v B¸k
0 0
с. F
d. F =
- e v,B, (k + i)
Transcribed Image Text:What is the instantaneous magnetic force on a proton (+e) moving B¸î + ky? В (i + with velocity v =- vj in a uniform magnetic field B а. F ev̟8,Û + k) 0 0 b. F = e v B (k i) 2 ev B, k e v B¸k 0 0 с. F d. F = - e v,B, (k + i)
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