A conducting bar moves with a constant velocity of 3.00 m/s to the right along frictionless conducting rails connected to a 4.00-̛ resistor as shown in the figure. The length of the bar is 1.60 m and a uniform magnetic field of 2.20 T is applied perpendicular to the paper pointing outward, as shown. At what rate is energy dissipated in the 4.00 ̛ resistor? A) 13.9 W B) 27.9 W C) 55.8 W D) 112 W E) 223 W
A conducting bar moves with a constant velocity of 3.00 m/s to the right along frictionless conducting rails connected to a 4.00-̛ resistor as shown in the figure. The length of the bar is 1.60 m and a uniform magnetic field of 2.20 T is applied perpendicular to the paper pointing outward, as shown. At what rate is energy dissipated in the 4.00 ̛ resistor? A) 13.9 W B) 27.9 W C) 55.8 W D) 112 W E) 223 W
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) A conducting bar moves with a constant velocity of 3.00 m/s to the right along frictionless conducting rails
connected to a 4.00-̛ resistor as shown in the figure. The length of the bar is 1.60 m and a uniform magnetic field of 2.20 T is applied perpendicular to the paper pointing outward, as shown. At what rate is energy
dissipated in the 4.00 ̛ resistor?
A) 13.9 W B) 27.9 W C) 55.8 W D) 112 W E) 223 W
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