Three long, straight, parallel wires all lie in the yz plane and each carries a current of 20 A in the positive z direction. The two outer wires are each 4.0 cm from the center wire. What is the magnitude of the magnetic force on a 50-cm length of either of the outer wires?

a. 1.0 mN
b. 0.50 mN
c. 1.1 mN
d. 1.5 mN
e. 2.0 mN


d

Physics & Space Science

You might also like to view...

When a boxer hits a punching bag, the strength of his punch depends on how much force the bag can

A) endure. B) exert on the boxer's fist. C) soften.

Physics & Space Science

A transformer produces

A) energy. B) power. C) neither, but transforms mechanical energy to electric energy. D) none of the above

Physics & Space Science

A star of spectral type O lives approximately how long on the main sequence?

A) 1,000 years B) 10,000 years C) 10 million years D) 100 million years E) 1 billion years

Physics & Space Science

Which of the following demonstrated the relation between the atomic number of a given element and the wavelength of the K-alpha x-ray photon emitted by that element?

a. Bohr b. Compton c. Moseley d. Pauli

Physics & Space Science