(a) A wire is held horizontally in a vacuum chamber, and carries a current of 3.65 µA. A proton is traveling in a directi parallel to the wire (opposite the current) with a constant speed of 2.50 × 10ª m/s at a distance d above the wire Ignoring the magnetic field due to the Earth, determine the value of d (in cm). cm (b) What If? At what distance d (in m) would an electron moving with the same speed as the proton move parallel te wire? What direction would the electron have to move? In the same direction as the proton. O In the opposite direction as the proton. O There is too little information to determine the direction.

(a) A wire is held horizontally in a vacuum chamber, and carries a current of 3.65 µA. A proton is traveling in a directi parallel to the wire (opposite the current) with a constant speed of 2.50 × 10ª m/s at a distance d above the wire Ignoring the magnetic field due to the Earth, determine the value of d (in cm). cm (b) What If? At what distance d (in m) would an electron moving with the same speed as the proton move parallel te wire? What direction would the electron have to move? In the same direction as the proton. O In the opposite direction as the proton. O There is too little information to determine the direction.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

### Exercise: Electromagnetism and Particle Motion

**Problem Statement:**

(a) A wire is held horizontally in a vacuum chamber and carries a current of 3.65 μA. A proton is traveling in a direction parallel to the wire (opposite the current) with a constant speed of \(2.50 \times 10^4\) m/s at a distance \(d\) above the wire. Ignoring the magnetic field due to the Earth, determine the value of \(d\) (in cm).

\[ \_\_\_\_ \text{ cm} \]

(b) **What If?** At what distance \(d\) (in m) would an electron moving with the same speed as the proton move parallel to the wire?

\[ \_\_\_\_ \text{ m} \]

**Questions:**
- What direction would the electron have to move?
- ○ In the same direction as the proton.
- ○ In the opposite direction as the proton.
- ○ There is too little information to determine the direction.

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