The figure below shows a long straight wire just touching a circular loop carrying a current \( I_1 = 2.82 \, \text{A} \) in the clockwise direction. Both lie in the same plane.**Diagram Description:**- A circular loop with arrows indicating a clockwise direction, labeled with a current \( I_1 = 2.82 \, \text{A} \).- A straight horizontal line representing the long straight wire.- The center of the loop is marked, and a horizontal arrow labeled \( r \) extends across the loop.**Questions:**(a) What direction must the current \( I_2 \) in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop?- \( \circ \) from right to left- \( \circ \) from left to right(b) What current must the long straight wire carry in order to have zero net magnetic field strength at the center of the loop?\[ \_ \_ \_ \_ \_ \_ \_ \_ \_ \text{A} \]

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The figure below shows a long straight wire just touching a circular loop carrying a current I₁ = 2.82 A in the clockwise direction. Both lie in the same plane. O (a) What direction must the current I2 in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop? O from right to left O from left to right (b) What current must the long straight wire carry in order to have zero net magnetic field strength at the center of the loop? A

The figure below shows a long straight wire just touching a circular loop carrying a current I₁ = 2.82 A in the clockwise direction. Both lie in the same plane. O (a) What direction must the current I2 in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop? O from right to left O from left to right (b) What current must the long straight wire carry in order to have zero net magnetic field strength at the center of the loop? A

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

The figure below shows a long straight wire just touching a circular loop carrying a current \( I_1 = 2.82 \, \text{A} \) in the clockwise direction. Both lie in the same plane.

**Diagram Description:**
- A circular loop with arrows indicating a clockwise direction, labeled with a current \( I_1 = 2.82 \, \text{A} \).
- A straight horizontal line representing the long straight wire.
- The center of the loop is marked, and a horizontal arrow labeled \( r \) extends across the loop.

**Questions:**

(a) What direction must the current \( I_2 \) in the straight wire have in order to create a magnetic field at the center of the loop in the direction opposite to that created by the loop?
- \( \circ \) from right to left
- \( \circ \) from left to right

(b) What current must the long straight wire carry in order to have zero net magnetic field strength at the center of the loop?
\[ \_ \_ \_ \_ \_ \_ \_ \_ \_ \text{A} \]

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