Use Lenz's law to answer the following questions concerning the direction of induced currents. Express your answers in terms of the letter labels a and b in each part of the figure below. 000000 R b Wb a R a R ε (a) What is the direction of the induced current in the resistor R in Figure a when the bar magnet is moved to the left? a to b b to a The magnitude is zero. (b) What is the direction of the current induced in the resistor R after the switch S in Figure b is closed? a to b b to a The magnitude is zero. (c) What is the direction of the induced current in the resistor R when the current I in Figure c decreases rapidly to zero? a to b b to a The magnitude is zero.

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Chapter1: Units, Trigonometry. And Vectors
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Use Lenz's law to answer the following questions concerning the direction of induced currents. Express your answers in terms of the letter labels a and b in each part of the figure below.
000000
R
b
Wb
a
R
a
R
ε
(a) What is the direction of the induced current in the resistor R in Figure a when the bar magnet is moved to the left?
a to b
b to a
The magnitude is zero.
(b) What is the direction of the current induced in the resistor R after the switch S in Figure b is closed?
a to b
b to a
The magnitude is zero.
(c) What is the direction of the induced current in the resistor R when the current I in Figure c decreases rapidly to zero?
a to b
b to a
The magnitude is zero.
Transcribed Image Text:Use Lenz's law to answer the following questions concerning the direction of induced currents. Express your answers in terms of the letter labels a and b in each part of the figure below. 000000 R b Wb a R a R ε (a) What is the direction of the induced current in the resistor R in Figure a when the bar magnet is moved to the left? a to b b to a The magnitude is zero. (b) What is the direction of the current induced in the resistor R after the switch S in Figure b is closed? a to b b to a The magnitude is zero. (c) What is the direction of the induced current in the resistor R when the current I in Figure c decreases rapidly to zero? a to b b to a The magnitude is zero.
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