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-? load resistor?





a.

0.32 A



b.

0.34 A



c.

0.37 A



d.

0.39 A



e.

0.43 A


a

Physics & Space Science

You might also like to view...

What are the three modes of heat transfer?

What will be an ideal response?

Physics & Space Science

The sidereal drive on a telescope mounting must turn the telescope eastward about the polar axis

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?

a. 460 b. 650 c. 420 d. 550 e. 1 480

Physics & Space Science

The Moon's crust is thickest on the ________ side

Fill in the blank(s) with correct word

Physics & Space Science