Physics, 13.11.2019 18:31 owenwernert
Acoaxial cable carries a current iwire in its inner conducting wire and a current ishell in its outer conducting shell. the radius of the wire is rwire, the distance from the cable center to the inside of the shell is rshell, and the distance from the center to the outer edge of the shell is 2rshell.
part a
determine all locations (if any exists) at which the magnetic field magnitude is zero if iwire = ishell.
check all that apply.
the magnetic field is zero in the region inside the shell, at a radius r=rshell52−−√
the magnetic field is zero at the very center of the wire.
the magnetic field is zero in the region inside the shell, at a radius r=rshell12−−√
the magnetic field is zero throughout all of the region outside the shell.
there is no location where the magnetic field is zero.
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correct
part b
determine all locations (if any exists) at which the magnetic field magnitude is zero if iwire = −ishell.
check all that apply.
the magnetic field is zero in the region inside the shell, at a radius r=rshell52−−√
the magnetic field is zero in the region inside the shell, at a radius r=rshell12−−√
the magnetic field is zero at the very center of the wire.
the magnetic field is zero throughout all of the region outside the shell.
there is no location where the magnetic field is zero.
submitmy answersgive up
incorrect; try again; 5 attempts remaining
part c
determine all locations (if any exists) at which the magnetic field magnitude is zero if iwire = −ishell/2.
check all that apply.
the magnetic field is zero in the region inside the shell, at a radius r=rshell52−−√
the magnetic field is zero at the very center of the wire.
the magnetic field is zero in the region inside the shell, at a radius r=rshell12−−√
the magnetic field is zero throughout all of the region outside the shell.
there is no location where the magnetic field is zero.
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incorrect; try again; 4 attempts remaining
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Answers: 1
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Acoaxial cable carries a current iwire in its inner conducting wire and a current ishell in its oute...
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