Why forces are generated for parts of the loop (actually rectangle in Fig 20-37) and not for other parts of the loop. Refer back to Fig 20-11 and the Force equation with sin theta (max force when theta is 90 degrees or perpendicular to magnetic field lines.) your experience applying the Right-Hand Rule to explain up and down forces acting together to generate clockwise motion of the armature
Why forces are generated for parts of the loop (actually rectangle in Fig 20-37) and not for other parts of the loop. Refer back to Fig 20-11 and the Force equation with sin theta (max force when theta is 90 degrees or perpendicular to magnetic field lines.) your experience applying the Right-Hand Rule to explain up and down forces acting together to generate clockwise motion of the armature
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please type your Solutions so that they are easy to read I have bad eyesight
Transcribed Image Text:N
Armature
Force
IS
down
F
S
Brushes
Voltage source
FIGURE 20-37 Diagram of a simple
de motor. (Magnetic field lines are
as shown in Fig. 20-36.)
22 V
(a)
FIGURE 20-11 (a) Force on a
current-carrying wire placed in a
magnetic field B; (b) same, but
current reversed; (c) right-hand rule
for setup in (b), with current I
shown as if a vector with direction.
Force is up
(b)
22 V
INDUSTRIAL
B
(c) Right-hand rule
Transcribed Image Text:Why forces are generated for parts of the loop (actually rectangle in Fig 20-37) and not for other
parts of the loop. Refer back to Fig 20-11 and the Force equation with sin theta (max force
when theta is 90 degrees or perpendicular to magnetic field lines.)
your experience applying the Right-Hand Rule to explain up and down forces acting together to
generate clockwise motion of the armature
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