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As Shown in the Figure, a Wire and a 10-Ω

question 33

Multiple Choice

As shown in the figure, a wire and a 10-Ω resistor are used to form a circuit in the shape of a square, 20 cm by 20 cm. A uniform but nonsteady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is decreased from 1.50 T to 0.50 T in a time interval of 63 ms. The average induced current and its direction through the resistor, in this time interval, are closest to As shown in the figure, a wire and a 10-Ω resistor are used to form a circuit in the shape of a square, 20 cm by 20 cm. A uniform but nonsteady magnetic field is directed into the plane of the circuit. The magnitude of the magnetic field is decreased from 1.50 T to 0.50 T in a time interval of 63 ms. The average induced current and its direction through the resistor, in this time interval, are closest to   A)  63 mA, from b to a. B)  38 mA, from b to a. C)  63 mA, from a to b. D)  38 mA, from a to b. E)  95 mA, from a to b.


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The part of the body between the chest and the pelvis, containing the digestive organs.

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Body Mass Index, a numerical value calculated from a person's weight and height, used to evaluate if a person is underweight, normal weight, overweight, or obese.

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