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Two coils are placed near each other as shown in the figure below. The coil on the left is connected to a battery and a switch, and the coil on the right is connected to a resistor.

(a) What is the direction of the current in the resistor at an instant immediately after the switch is thrown closed?

(b) What is the direction of the current in the resistor after the switch has been closed for several seconds?

(c) What is the direction of the current in the resistor at an instant after the switch has then been thrown open?

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Uttam Saikia
Uttam SaikiaLv10
15 Nov 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Find the direction of the current in the resistor shown in figure. 

a) at the instant when the switch is closed.

b) after the switch has been closed for several minutes 

c) and at the instant switch is opened.

Image for A. Using Lenz's law, determine the direction of the current in resistor ab in the figure when switch Sis opene

A. Using Lenz's law, determine the direction of the current in resistor ab in the figure when switch Sis opened after having been closed for several minutes.

B. Using Lenz's law, determine the direction of the current in resistor ab in the figure when coil B is brought closer to coil A with the switch closed.

C. Using Lenz's law, determine the direction of the current in resistor ab in the figure when the resistance of R is decreased while the switch remains closed.

For each of the actions depicted, determine thedirection(right, left, or zero) of the current induced to flowthrough theresistor in the circuit containing the secondarycoil.
Part A
A.)
Immediately after the switch is closed,asshown in the figure, (Part A figure) inwhichdirection does the current flow through the resistor?
right
left
zero
Part B
B.)
If the switch is then opened, as shown inthefigure, (Part B figure) in whichdirection doesthe current flow through the resistor?
right
left
zero
Part C
C.)
Immediately after the switch is closed,asshown in the figure, (Part C figure) inwhichdirection does the current flow through the resistor?
right
left
zero
Part D
D.)
If the circuit containing the battery movestothe left, as shown in the figure, (Part Dfigure) inwhich direction does the current flow throughthe resistor?
right
left
zero

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