Matching the information given in the three columns of the following table. A charged particle (e...

Matching the information given in the three columns of the following table.
A charged particle (electron or proton) is introduced at the origin (x=0, y=0, z=0) with a given initial velocity 𝐯. A uniform electric field 𝐄 and a uniform magnetic field B exist everywhere. The velocity 𝐯, electric field 𝐄 and magnetic field B are given in columns 1,2 and 3, respectively. The quantities E_0, B_0 are positive in magnitude.
3
(II) Election with
(ii) E=-E_0ŷ
(Q) B=B_0x̂
Column 1 Column 2 Column 3
Electron with (i) E=E_0ẑ (P) B=-B_0x̂
v=2 E_0/B_0x̂
(ii) Election with
(iii) E=-E_0x̂
(R) B=B_0ŷ
(IV) Proton with
(iv) E=E_0x̂
(S) B=B_0ẑ
In which case would the particle move in a straight line along
the negative direction of Y-axis (i.e. move along -ŷ) ?
(a) (IV) (ii) (S)
(b) (II) (iii) (Q)
(c) (III), (ii) (R (d) (III) (ii) (P)

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