An electron is fired into Figure P28.66 one end of the solenoid in Figure P28.66. Viewed along the positive x axis from a negative x coor- dinate, the electron I 0000000 65° enters from below at a 65° angle to the hori- zontal, just inside the bottom edge of the solenoid. From this 200 mm viewpoint the solenoid carries a 10-A clockwise current. The solenoid is made from a 33.0-m length of wire, and it has 400 turns along the 200-mm length shown in the figure. (a) Ignoring end effects, what is the smallest time interval required for the electron to pass through the solenoid without striking the coils? (b) If the electron follows the quickest path through the solenoid as determined from the time interval you calculated in part a, how many revolutions does the electron's path make around the solenoid axis? •..

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. An electron is fired into
one end of the solenoid
Figure P28.66
I
in Figure P28.66. Viewed
along the positive x axis
from a negative x coor-
dinate, the electron
00
65°
enters from below at a
65° angle to the hori-
zontal, just inside the
bottom edge of the
solenoid. From this
200 mm
viewpoint the solenoid carries a 10-A clockwise current.
The solenoid is made from a 33.0-m length of wire, and it
has 400 turns along the 200-mm length shown in the figure.
(a) Ignoring end effects, what is the smallest time interval
required for the electron to pass through the solenoid without
striking the coils? (b) If the electron follows the quickest path
through the solenoid as determined from the time interval you
calculated in part a, how many revolutions does the electron's
path make around the solenoid axis? •0.
Transcribed Image Text:. An electron is fired into one end of the solenoid Figure P28.66 I in Figure P28.66. Viewed along the positive x axis from a negative x coor- dinate, the electron 00 65° enters from below at a 65° angle to the hori- zontal, just inside the bottom edge of the solenoid. From this 200 mm viewpoint the solenoid carries a 10-A clockwise current. The solenoid is made from a 33.0-m length of wire, and it has 400 turns along the 200-mm length shown in the figure. (a) Ignoring end effects, what is the smallest time interval required for the electron to pass through the solenoid without striking the coils? (b) If the electron follows the quickest path through the solenoid as determined from the time interval you calculated in part a, how many revolutions does the electron's path make around the solenoid axis? •0.
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