A conducting rod whose length is ℓ = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 Ω as shown in the figure.The rails and the rod are in the plane of the page.A constant uniform $\vec { B }$ field 2.20 T in magnitude is applied perpendicular to and out of the paper.An external force exerted on the rod moves the rod to the right with a constant speed of 6.00 m/s.At what rate is electric energy converted into internal energy in the lightbulb?
A)60.0 W
B)121 W
C)21.2 W
D)112 W
E)11.5 W

Question

A conducting rod whose length is ℓ = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 Ω as shown in the figure.The rails and the rod are in the plane of the page.A constant uniform $\vec { B }$ field 2.20 T in magnitude is applied perpendicular to and out of the paper.An external force exerted on the rod moves the rod to the right with a constant speed of 6.00 m/s.At what rate is electric energy converted into internal energy in the lightbulb? 
A)60.0 W 
B)121 W 
C)21.2 W 
D)112 W 
E)11.5 W

Quizplus · Accepted Answer

The Answer of A conducting rod whose length is ℓ = 1.60 m is placed on frictionless U-shaped metal rails that is connected to a lightbulb having a resistance of 4.00 Ω as shown in the figure.The rails and the rod are in the plane of the page.A constant uniform $\vec { B }$ field 2.20 T in magnitude is applied perpendicular to and out of the paper.An external force exerted on the rod moves the rod to the right with a constant speed of 6.00 m/s.At what rate is electric energy converted into internal energy in the lightbulb? 
A)60.0 W 
B)121 W 
C)21.2 W 
D)112 W 
E)11.5 W

A Conducting Rod Whose Length Is ℓ = 1 B⃗\vec { B }B

A Conducting Rod Whose Length Is ℓ = 1 $\vec { B }$