please answer 12,13,14 12. The fact that emfs are induced in circuits implies that work is being done on the conductionelectrons in the wires. What can possibly be the source of this work?A. Electric fluxC. Magnetic flux13. A circular coil 50 cm in diameter is rotating in a magnetic field directed upward with amagnitude of 65 mT. Calculate the magnetic flux through the coil at the positions shown below.B. Faraday's lawD. Lenz's Law(a) Br(b) B(а) А. 10.0 T-m?B. 0.10 WbС. 1.00 T-m?D. -0.01 Wb14. (b) A. 5.00 WbB. 50.0 T·m2C. 0.05 WbD. 0.50 T·m2

12 B- is wrong Faraday's law is stating change in magnetic responsible for emf. Law does not…

Answered: possibly be the source of this work? R…

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possibly be the source of this work? R Faradav's law lectrons in the wires. What can Electric flux

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter8: Electromagnetism And Em Waves

Section: Chapter Questions

Problem 3C

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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

please answer 12,13,14

12. The fact that emfs are induced in circuits implies that work is being done on the conduction
electrons in the wires. What can possibly be the source of this work?
A. Electric flux
C. Magnetic flux
13. A circular coil 50 cm in diameter is rotating in a magnetic field directed upward with a
magnitude of 65 mT. Calculate the magnetic flux through the coil at the positions shown below.
B. Faraday's law
D. Lenz's Law
(a) Br
(b) B
(а) А. 10.0 T-m?
B. 0.10 Wb
С. 1.00 T-m?
D. -0.01 Wb
14. (b) A. 5.00 Wb
B. 50.0 T·m2
C. 0.05 Wb
D. 0.50 T·m2

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