A circular coil of wire with radius 5cm and 25 turns is placed in a uniform magnetic field of magnitude 0.2 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil has a resistance per unit length of 2 /m, how much current flows in the coil during this time interval? Please write your answers in the space below and email your work. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

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Chapter1: Units, Trigonometry. And Vectors
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A circular coil of wire with radius 5cm and 25 turns is placed in a uniform magnetic field of magnitude 0.2 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the
coil.
a) What is the magnetic flux through the coil?
b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval?
c) If the coil has a resistance per unit length of 2 /m, how much current flows in the coil during this time interval?
Please write your answers in the space below and email your work.
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).
BIUS
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Arial
10pt
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A
T 8688
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Transcribed Image Text:A circular coil of wire with radius 5cm and 25 turns is placed in a uniform magnetic field of magnitude 0.2 T. The magnetic field is parallel to the area vector; i.e. perpendicular to the plane of the coil. a) What is the magnetic flux through the coil? b) The magnetic field is decreased to 0 T in 0.1 s. What is the magnitude of the emf induced in the coil during this time interval? c) If the coil has a resistance per unit length of 2 /m, how much current flows in the coil during this time interval? Please write your answers in the space below and email your work. For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt Ev A T 8688 공공
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