A solenoid of radius 1.5 m with 266 turns and has a length of 25 m is wound around the pigeon cage. What currentmust flow so that the solenoid cancels the earth's magnetic field (42 microtesla)?3.14 AO 143 AO 134AO 341A The magnetic field strength of a thoroughly wound flat circular coil of wire that has a measured radius of 2.5 cmand carries 10 A of current is 9.44 mT. How many loops has the wire have?O 121 loops118 loopsⒸ 119 loopsO 116 loops

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A solenoid of radius 1.5 m with 266 turns and has a length of 25 m is wound around the pigeon cage. What current must flow so that the solenoid cancels the earth's magnetic field (42 microtesla)? 3.14 A D O 143 A O 1.34 A O 341A

A solenoid of radius 1.5 m with 266 turns and has a length of 25 m is wound around the pigeon cage. What current must flow so that the solenoid cancels the earth's magnetic field (42 microtesla)? 3.14 A D O 143 A O 1.34 A O 341A

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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Question

A solenoid of radius 1.5 m with 266 turns and has a length of 25 m is wound around the pigeon cage. What current
must flow so that the solenoid cancels the earth's magnetic field (42 microtesla)?
3.14 A
O 143 A
O 134A
O 341A

The magnetic field strength of a thoroughly wound flat circular coil of wire that has a measured radius of 2.5 cm
and carries 10 A of current is 9.44 mT. How many loops has the wire have?
O 121 loops
118 loops
Ⓒ 119 loops
O 116 loops

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