Only question 8 8) What is the direction of the magnetic field at point A above the wirecarrying current?a) Out of the pagec) Up the pageErb ami:b) Into the paged) Down the pageㅋㅋ I9) The magnetic flux through a wire loop is independent of;a) Shape of the loopb) Area of the loopc) Orientation of the magnetic field and the loopd) None of the abovea) 0.0075b) 2.510) A 300 turn coil has a resistance of 3 Ohms. The coil covers an area of 15 cm²In such a way that its axis is parallel to an external magnetic field. At what ratemust the magnetic field change in order to induce a current of 0.75A in the coil?e) To the rightc) 0.005d) 5 e) 15

Direction of magnetic field at point A located above the current carrying wire.

Answered: 8) What is the direction of the…

8) What is the direction of the magnetic field at point A above the wire carrying current? a) Out of the page c)Up the page b) Into the page d) Down the page A O >>I e) To the right

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 102A

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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

Only question 8

8) What is the direction of the magnetic field at point A above the wire
carrying current?
a) Out of the page
c) Up the page
Erb ami:
b) Into the page
d) Down the page
ㅋㅋ I
9) The magnetic flux through a wire loop is independent of;
a) Shape of the loop
b) Area of the loop
c) Orientation of the magnetic field and the loop
d) None of the above
a) 0.0075
b) 2.5
10) A 300 turn coil has a resistance of 3 Ohms. The coil covers an area of 15 cm²
In such a way that its axis is parallel to an external magnetic field. At what rate
must the magnetic field change in order to induce a current of 0.75A in the coil?
e) To the right
c) 0.005
d) 5 e) 15

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