A conducting rod of mass m = 10 g, length L=20 cm and negligible resistance is lightly connected by two conducting rings to vertical metal rails as shown in Figure. The rails are connected to resistors R₁ =3.00 and R₂ = 6.00 to complete closedcircuits. A constant magnetic field, B = 4.0 T, is directed out of the page. = • Show the direction of the induced current in each of the resistors. • Calculate the terminal velocity of the falling bar. Use Faraday's EMF law in your derivation. Assume the bar reaches this speed quickly - before it hits the bottom resistor. Hint: first determine the net induced current through the bar.

A conducting rod of mass m = 10 g, length L=20 cm and negligible resistance is lightly connected by two conducting rings to vertical metal rails as shown in Figure. The rails are connected to resistors R₁ =3.00 and R₂ = 6.00 to complete closedcircuits. A constant magnetic field, B = 4.0 T, is directed out of the page. = • Show the direction of the induced current in each of the resistors. • Calculate the terminal velocity of the falling bar. Use Faraday's EMF law in your derivation. Assume the bar reaches this speed quickly - before it hits the bottom resistor. Hint: first determine the net induced current through the bar.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 69AP: The conducting rod shown in the accompanying figure moves along parallel metal rails that are 25-cm...

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Question

A conducting rod of mass m = 10 g, length L = 20 cm and negligible resistance is lightly connected by two
conducting rings to vertical metal rails as shown in Figure. The rails are connected to resistors R₁ =3.00 and R₂ =
6.00 to complete closedcircuits. A constant magnetic field, B = 4.0 T, is directed out of the page.
• Show the direction of the induced current in each of the resistors.
• Calculate the terminal velocity of the falling bar. Use Faraday's EMF law in your derivation. Assume the bar
reaches this speed quickly - before it hits the bottom resistor. Hint: first determine the net induced current
through the bar.
Rail
Rail
R₁
ww
Conducting Rod
V
ww
R2
Rail

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