Two long, parallel wires arc separated by a distance of 0.400 m ( Fig. E28.29 ). The currents I 1 and I 2 have the directions shown, (a) Calculate the magnitude of the force exerted 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 I 1 becomes 10.0 A and I 2 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
Two long, parallel wires arc separated by a distance of 0.400 m ( Fig. E28.29 ). The currents I 1 and I 2 have the directions shown, (a) Calculate the magnitude of the force exerted 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 I 1 becomes 10.0 A and I 2 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
Two long, parallel wires arc separated by a distance of 0.400 m (Fig. E28.29). The currents I1 and I2 have the directions shown, (a) Calculate the magnitude of the force exerted 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?
Two long, parallel wires separated by 4.5 cm carry currents in the same directions. The current in one wire is 3.25 A, and the current in the other is 4.5 A.(a) Find the magnitude of the force per unit length that one wire exerts on the other.
2.5 N/m
25 N/m
10.4 N/m
6.5 N/m
(b) Is the force attractive or repulsive?
Consider the infinite wire carrying current of 2 A along positive y-direction. The other wire is carrying current of 1 A along positive x direction from x = 4 m to x=12 m.
Calculate the force exert on second wire from the first wire.
(a) 3.634×10 N
(b) 4.394x10N
(c) 7.216x1077 N
(d) 9.631x10 N
Two long, parallel wires separated by 2.80 cm carry currents in opposite directions. The current in one wire is 1.35 A, and the current in the other is 3.10 A.
(a) Find the magnitude of the force per unit length that one wire exerts on the other._______ N/m(b) Is the force attractive or repulsive?
Chapter 28 Solutions
University Physics, Volume 2 (Chs. 21-37) (14th Edition)
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