A proton is moving at an angle of 80 to a uniform magnetic field. ...

[justinmsk]

A proton is moving at an angle of 80 to a uniform magnetic field. What is the relationship between the direction of the force on the proton and the direction of the magnetic field?
 
  A)
 
  parallel to the magnetic field
  B)
 
  at an angle of 10 to the magnetic field
  C)
 
  at an angle of 80 to the magnetic field
  D)
 
  at an angle of 180 to the magnetic field
  E)
 
  perpendicular to the magnetic field

Question 2

The flux through a coil changes from 4.0  10-5 Wb to 5.0  10-5 Wb in 0.10 s. What emf is induced in this coil?
 
  A)
 
  5.0  10-4 V
  B)
 
  4.0  10-4 V
  C)
 
  1.0  10-4 V
  D)
 
  0 V
  E)
 
  none of the given answers

[tdewitt]

Answer to Question 1

E

Answer to Question 2

C

[justinmsk]

Excellent

[gcook]

Gracias!