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Mira la respuestaMira la respuesta done loading Muestra el texto de la transcripción de la imagenPregunta: 13. Cuando un sustancia ferromagnética es introducida en el interior de un solenoide que pasa una corriente por él, entonces el campo magnético a. Decrece ligeramente b. Decrece fuertemente c. Incremente ligeramente d. Incrementa fuertemente 14. Determine cuál de los siguientes argumentos sobre el campo magnético de un solenoide con núcleo de hierro no son
13. When a ferromagnetic substance is introduced into the interior of a solenoid that passes a current through it, then the magnetic field a.
A. It deceeds slightly
B. It is strongly deceive
C. Increase slightly
D. It increases sharply
14. Determine which of the following arguments about the magnetic field of a
Solenoid with iron core are not always true
A. Increase I, increase B
B.Decrece I, decrece B
C.B = 0 when I = 0
D. Change the address of I, change the address of B
15. When a magnetized iron bar is strongly heated, its magnetic field
A. It becomes weak b.
B. It becomes strong
C. Change of address
D. They don't change
16. An electron enters parallel to a magnetic field B. The electron then:
A. Your movement is not affected
B. Your address has been changed
C. Its speed is changed.
D. Your energy is changed.
17. An electron enters perpendicular to a magnetic field B. The electron then:
A. Your movement is not affected
B. Your address has been changed
C. Its speed is changed.
D. Your energy is changed.
18. An ion moves in a circular orbit of radius R in a magnetic field. If the velocity of the particle, the ion, is doubled. The radius of the trajectory will be:
a.R/2
B.R
C.2R
D.4R
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