The induced emf between the wingtips of an airplane of wingspan 30.0 m, traveling at 175 m/s due north in a magnetic field pointing 300 down from north, is 0.15 V. What is the magnitude of the magnetic field?

The current through a coil decreases steadily from 4.2 A to 1.5 A in 0.25 s inducing an emf of 3.0 V across the coil. What is the coil’s inductance?

The loop shown has 40 turns and carries a current of 2.0 A. Determine the magnitude of the torque on the loop. 1302 E3 Q4.png

An electron beam (electron charge = -1.6 x 10-19 C, electron mass = 9.11 x 10-31 kg) is bent in a circle of radius 2.0 cm by a 4.5 x 10-3 T uniform magnetic field perpendicular to the direction of the beam. What is the speed of the electrons in the beam?

The best deterrent for shoplifting is a good surveillance system. True or false?          

It is estimated that ____ percent of all persons known to have stolen from their employers were NOT prosecuted.    

Workplace violence includes four broad categories. These do NOT include __________.                

Most retailers calculate shrinkage at the landed cost of the item. True or false?    

The terms sensor, detector and initiating device are synonymous. True or false?   

Using cultured T cells, researchers have been able to describe the basic steps of the T-cell receptor signaling pathway. Generally, what is the model for the signaling pathway?