A rod (length = 10 cm)moves on two horizontal frictionless conducting rails,as shown.The magnetic field in the region is directed perpendicularly to the plane of the rails and is uniform and constant.If a constant force of 0.60 N moves the bar at a constant velocity of 2.0 m/s,what is the current through the 12-$\Omega$ load resistor?
A)0.32 A
B)0.34 A
C)0.37 A
D)0.39 A
E)0.43 A

Question

A rod (length = 10 cm)moves on two horizontal frictionless conducting rails,as shown.The magnetic field in the region is directed perpendicularly to the plane of the rails and is uniform and constant.If a constant force of 0.60 N moves the bar at a constant velocity of 2.0 m/s,what is the current through the 12-$\Omega$ load resistor? 
A)0.32 A 
B)0.34 A 
C)0.37 A 
D)0.39 A 
E)0.43 A

Quizplus · Accepted Answer

The Answer of A rod (length = 10 cm)moves on two horizontal frictionless conducting rails,as shown.The magnetic field in the region is directed perpendicularly to the plane of the rails and is uniform and constant.If a constant force of 0.60 N moves the bar at a constant velocity of 2.0 m/s,what is the current through the 12-$\Omega$ load resistor? 
A)0.32 A 
B)0.34 A 
C)0.37 A 
D)0.39 A 
E)0.43 A

A Rod (Length = 10 Cm)moves on Two Horizontal Frictionless Ω\OmegaΩ

A Rod (Length = 10 Cm)moves on Two Horizontal Frictionless $\Omega$