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A Wire Rod Rolls with a Speed of 30 M/s

Question 27

Multiple Choice

A wire rod rolls with a speed of 30 m/s on two metallic rails, 2.0 m apart, that form a closed loop. The power dissipated in the resistor R and the current direction are, respectively, A) 33 mW, clockwise. B) 33 mW, counterclockwise. C) 2.0 W, counterclockwise. D) 10 W, clockwise. E) 10 W, counterclockwise. A wire rod rolls with a speed of 30 m/s on two metallic rails, 2.0 m apart, that form a closed loop. The power dissipated in the resistor R and the current direction are, respectively,


A) 33 mW, clockwise.
B) 33 mW, counterclockwise.
C) 2.0 W, counterclockwise.
D) 10 W, clockwise.
E) 10 W, counterclockwise.

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