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  • A particle of charge  q  and mass  m  starts moving from the origin under the action of an electric field <img alt="\vec{E}=E_0 \hat{i}" src="https://entrancecorn

A particle of charge  q  and mass  m  starts moving from the origin under the action of an electric field \vec{E}=E_0 \hat{i} and  \vec{B}=B_0 \hat{i}  with velocity \vec{V}=V_0 \hat{j}. The speed of the particle will become  2 V_0 after a time
 

Option: 1

t=\frac{2 m V_0}{q E}


Option: 2

t=\frac{2B q }{m V_0}


Option: 3

t=\frac{\sqrt{3} Bq}{m V_0}


Option: 4

t=\frac{\sqrt{3} m V_0}{q E}


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