A magnetic field will be induced in an area where the electric field is changing with respect to time. This is:
Maxwell’s Corollary
Ohm’s Law
Faraday’s Law
Coulomb’s Law
A current-carrying wire carries a current of 0.895 A. How far away from the wire is point P if the magnetic field at that location is 5.34 x 10-6 T?
0.335 A
0.0335 A
0.0559 A
0.559 A A proton moves with an unknown velocity through a magnetic field of 6.79 x 10-4 T that points directly south. The proton experiences a force of 3.45 x 10-16 N directly east. What is the magnitude of the velocity? (charge of a proton is +1.6 x 10-19 C)
1.23 x 107 m/s
1.23 x 106 m/s
3.18 x 107 m/s
3.18 x 106 m/s
In de Broglie’s equation, he shows the relationship between the wavelength of a light wave and its momentum. Which of the following is true about this relationship?
wavelength is inversely proportional to the square of momentum
wavelength is directly proportional to momentum
wavelength is inversely proportional to momentum
wavelength is directly proportional to the square of momentum
