Asked by rho
In a given area of space the electric field and the magnetic field are described by the expressions
E ⃑=Ek ̂ and
B ⃑=Bj ̂
with B= 15.0 mT.
Determine the value of E such that a 750-eV electron moving along the positive X-axis is undeflected.
1eV = 1.602176634x10-19 J.
E ⃑=Ek ̂ and
B ⃑=Bj ̂
with B= 15.0 mT.
Determine the value of E such that a 750-eV electron moving along the positive X-axis is undeflected.
1eV = 1.602176634x10-19 J.
Answers
Answered by
Damon
perpendicular so
q E = q v B
E = v B
so what is velocity of electron v?
(1/2) m v^2 = 750 * 1.602176634x10-19 J
(1/2) (9.10939*10^-31) v^2 = 750 * 1.602176634x10-19 J
q E = q v B
E = v B
so what is velocity of electron v?
(1/2) m v^2 = 750 * 1.602176634x10-19 J
(1/2) (9.10939*10^-31) v^2 = 750 * 1.602176634x10-19 J
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