Answer in u An electron is in a uniform magnetic field B that is directed into t

Question

Answer in u An electron is in a uniform magnetic field B that is directed into the plane of the page, as shown. Ques b) What i 1. West 2. None of 3. North 4. East 5. South When the electron is moving in the plane of the page in the direction indicated by the arrow, the force on the electron is directed 1. toward the right 2. toward the left 3. toward the bottom of the page. 4. toward the top of the page. 5. into the page. 6. out of the page. Quest pa A wire carr 0.1 m betwee an angle 60° field is approx ignore the fiel Question 2, chap 129, sect 1. part 1 of 1 10 points A proton traveling to the right along the r-axis enters a region whire there is a mag netic field of magnitinde 3.9 T directed upward 11 hati along the axis

Explanation / Answer

magnetic force Fb = q*(v x B)

q = charge = -e

e = charge of electron

v = vx i

B = -Bz k

i = right (along +x axis)

k = into plane along -z axis

j = upward ( along +y axis)

Fb = -e*(vxi x -Bz k)

Fb = 2e*vx*Bz ( i x k )

Fb = e*vx*Bz -j

-j = toward the bottom of page

OPTIOn (3) <<<--------ANSWER

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