In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 42 / cm. The rod moves to the left at v = 3.5 m/s. If B = 0.85 T everywhere in the region, what is the current in the circuit (a) when a = 6 cm? (b) when a = 4 cm? 4.0 cm

In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length of 42 / cm. The rod moves to the left at v = 3.5 m/s. If B = 0.85 T everywhere in the region, what is the current in the circuit (a) when a = 6 cm? (b) when a = 4 cm? 4.0 cm

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 53P: For the circuit shown below, =20V , L = 4.0 mH, and R = 5.0 . After steady state is reached with S1...

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Question

In the accompanying figure, the rails, connecting end pieces, and rod all have a resistance per unit length
of 42 / cm. The rod moves to the left at v = 3.5 m/s. If B = 0.85 T everywhere in the region, what
is the current in the circuit (a) when a = 6 cm? (b) when a = 4 cm?
4.0 cm
Hint
a. When a = 6 cm, a Select an answer v current of
mA flows in the
circuit.
b. When a = 4 cm,
mA flows in the circuit.
1>

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