The diagram below shows two concentric, conducting, circular loops with currents traveling in opposite directions. If the current in the outer loop is I2 = 90.0 μA, what must be the magnitude of the current in the inner loop so that the total magnetic field at the center, C, of both loops is zero? a.75.0 μA b.105 μA c.90.0 μA d.60.0 μA e.45.0 μA The diagram below shows two concentric, conducting, circular loops with currents traveling in opposite directions. If the current in the outer loop is 1₂ =90.0 μA, what must be the magnitude of the current in the inner loop so that the total magnetic field at the center, C, of both loops is zero?O a. 75.0 μAO b. 105 μA1₂ = 90.0 μA, r₁ = 8.00 cm, r₂ = 12.0 cmO c. 90.0 μAd. 60.0 μACe. 45.0 µA1₂N

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Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 83A

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The diagram below shows two concentric, conducting, circular loops with currents traveling in opposite directions. If the current in the outer loop is I₂ = 90.0 μA, what must be the magnitude of the current in the inner loop so that the total magnetic field at the center, C, of both loops is zero?

a.

75.0 μA

b.

105 μA

c.

90.0 μA

d.

60.0 μA

e.

45.0 μA

The diagram below shows two concentric, conducting, circular loops with currents traveling in opposite directions. If the current in the outer loop is 1₂ =
90.0 μA, what must be the magnitude of the current in the inner loop so that the total magnetic field at the center, C, of both loops is zero?
O a. 75.0 μA
O b. 105 μA
1₂ = 90.0 μA, r₁ = 8.00 cm, r₂ = 12.0 cm
O c. 90.0 μA
d. 60.0 μA
C
e. 45.0 µA
1₂
N

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