A square coil of wire of side 3.90 cm is placed in a uniform magnetic field of magnitude 2.50 T directed into the page as in the figure shown below. The coil has 39.0 turns and a resistance of 0.780 Ω. If the coil is rotated through an angle of 90.0° about the horizontal axis shown in 0.335 s, find the following. A square coil is shown in the plane of the page, and inside the coil a magnetic field points into the page. A horizontal rotation axis passes through the middle of the square. An arrow indicates that the square rotates clockwise on the axis when viewed from the left. (a) the magnitude of the average emf induced in the coil during this rotation mV (b) the average current induced in the coil during this rotation mA

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Chapter1: Units, Trigonometry. And Vectors
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A square coil of wire of side 3.90 cm is placed in a uniform magnetic field of magnitude 2.50 T directed into the page as in the figure shown below. The coil has 39.0 turns and a resistance of 0.780 Ω. If the coil is rotated through an angle of 90.0° about the horizontal axis shown in 0.335 s, find the following.

A square coil is shown in the plane of the page, and inside the coil a magnetic field points into the page. A horizontal rotation axis passes through the middle of the square. An arrow indicates that the square rotates clockwise on the axis when viewed from the left.
 
(a) the magnitude of the average emf induced in the coil during this rotation
                          mV

(b) the average current induced in the coil during this rotation
                          mA
The image depicts a rectangular object with a pattern of green crosses arranged in a grid. This object is positioned around a horizontal axis labeled "Rotation axis." There is an arrow forming a circular path around this axis, indicating rotational motion.

The diagram suggests that the rectangle can rotate around the horizontal axis, making it an example of rotational dynamics. The green crosses within the rectangle might represent points of interest or elements that aid in understanding rotational behavior.
Transcribed Image Text:The image depicts a rectangular object with a pattern of green crosses arranged in a grid. This object is positioned around a horizontal axis labeled "Rotation axis." There is an arrow forming a circular path around this axis, indicating rotational motion. The diagram suggests that the rectangle can rotate around the horizontal axis, making it an example of rotational dynamics. The green crosses within the rectangle might represent points of interest or elements that aid in understanding rotational behavior.
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