Homework Statement
A conducting rod makes contact with rails to complete a circuit. If the rails are 50 cm apart ina uniform magnetic field B = 0.38 [T] directed out of the paper. The total resistance of the circuit is R = 9 [ohms] and is constant.
1) what is the magnitude and direction of EMF...
Homework Statement
A proton is shot at 5x10^6 m/s between two charged plates. When E between the plates is 15,000 N/C, the proton is undeflected by the field by a magnetic Field B into the paper
.
1) What is the magnitude of the magnetic field?
2) if the proton now enters a region with only the...