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26.08.2019 •
Physics
A1300-turn coil of wire that is 2.10 cm in diameter is in a magnetic field that drops from 0.130 t to 0 t in 12.0 ms. the axis of the coil is parallel to the field.
question: what is the emf of the coil? (in v)
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Ответ:
4.875 V
Explanation:
N = 1300
diameter = 2.10 cm
radius = half of diameter = 1.05 cm
B1 = 0.130 T
B2 = 0 T
t = 12 ms
According to the law of electromagnetic induction,
Where, Ф be the magnetic flux linked with the coil
e = 4.875 V
Ответ:
A rotation is a rigid transformation, sometimes called an isometric transformation, that moves every point of the pre-image through an angle of rotation about the center of rotation to create an image. Rotations preserve size, rotations of 360 map a figure to itself, and lines connecting the center of rotation to the pre-image and the corresponding point on the image have equal length.
Step-by-step explanation:
Credit go's to Lauramenendez4