In one of NASA's space tether experiments, a 20.0 km-long conducting wire was deployed by the space shuttle as it orbited at 7.86 × 10³ m/s around Earth and across Earth's magnetic field lines. The resulting motional emf was used as a power source.If the component of Earth's magnetic field perpendicular to the tether was 1.41 × 10-5 T, determine the maximum possible potential difference (in V) between the two ends of the tether.HINTV -3Inductive charging is used to wirelessly charge electronic devices ranging from toothbrushes to cell phones. Suppose the base unit of an inductive charger produces a 1.50 × 10° T magnetic field. Varying this magnetic field magnitude changes the fluxthrough a 12.0-turn circular loop in the device, creating an emf that charges its battery. Suppose the loop area is 3.25 × 10−4 m² and the induced emf has an average magnitude of 5.10 V. Calculate the time required (in s) for the magnetic field todecrease to zero from its maximum value.HINTSNeed Help?Read It

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In one of NASA's space tether experiments, a 20.0 km-long conducting wire was deployed by the space shuttle as it orbited at 7.86 x 10³ m/s around Earth and across Earth's magnetic field lines. The resulting motional emf was used as a power source. If the component of Earth's magnetic field perpendicular to the tether was 1.41 x 10-5 T, determine the maximum possible potential difference (in V) between the two ends of the tether. HINT 1 V

In one of NASA's space tether experiments, a 20.0 km-long conducting wire was deployed by the space shuttle as it orbited at 7.86 x 10³ m/s around Earth and across Earth's magnetic field lines. The resulting motional emf was used as a power source. If the component of Earth's magnetic field perpendicular to the tether was 1.41 x 10-5 T, determine the maximum possible potential difference (in V) between the two ends of the tether. HINT 1 V

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.

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In one of NASA's space tether experiments, a 20.0 km-long conducting wire was deployed by the space shuttle as it orbited at 7.86 × 10³ m/s around Earth and across Earth's magnetic field lines. The resulting motional emf was used as a power source.
If the component of Earth's magnetic field perpendicular to the tether was 1.41 × 10-5 T, determine the maximum possible potential difference (in V) between the two ends of the tether.
HINT
V

-3
Inductive charging is used to wirelessly charge electronic devices ranging from toothbrushes to cell phones. Suppose the base unit of an inductive charger produces a 1.50 × 10° T magnetic field. Varying this magnetic field magnitude changes the flux
through a 12.0-turn circular loop in the device, creating an emf that charges its battery. Suppose the loop area is 3.25 × 10−4 m² and the induced emf has an average magnitude of 5.10 V. Calculate the time required (in s) for the magnetic field to
decrease to zero from its maximum value.
HINT
S
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