28.29 Two long, parallel wires are separated by a dis- tance of 0.400 m (Fig. E28.29). The currents ₁ and 1₂ have the directions shown. (a) Calculate the magnitude of the force ex- erted by each wire on a 1.20 m length of the other. Is the force attractive or repulsive? (b) Each current is doubled, so that I₁ becomes 10.0 A and I₂ becomes 4.00 A. Now what is the magnitude of the force that each wire exerts on a 1.20 m length of the other? Figure E28.29 1₁ = 5.00 A 0.400 m ✓ 1₂ = 2.00 A

28.29 Two long, parallel wires are separated by a dis- tance of 0.400 m (Fig. E28.29). The currents ₁ and 1₂ have the directions shown. (a) Calculate the magnitude of the force ex- erted by each wire on a 1.20 m length of the other. Is the force attractive or repulsive? (b) Each current is doubled, so that I₁ becomes 10.0 A and I₂ becomes 4.00 A. Now what is the magnitude of the force that each wire exerts on a 1.20 m length of the other? Figure E28.29 1₁ = 5.00 A 0.400 m ✓ 1₂ = 2.00 A

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section24.1: Displacement Current And The Generalized Form Of Ampère’s Law

Problem 24.1QQ

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