Charges Inside a Cube!
What is the net electric flux through the cube?
Circle with n Charges!
Calculate the magnitude of the electric field at a distance x from the center of the circle.
Concentric Spherical Shells!
Find the charge of the outer shell in its inner radius.
Current in a Ring!
Find the magnitude and direction of the magnetic field at the center of the ring.
Infinitely Charged Plane!
What is the magnitude of the electric field when the distance doubles?
Infinitely Charged Wire!
What is the magnitude of the electric field when the distance is doubled?
Potential of a Charged Wire!
Calculate the electric potential at point O.
Six Loops Move in a Field!
Find the electromotive force that is generated on each of these loops.
Three Cables!
Using Ampere's law, find the expression for the magnetic field generated by the wires.
A Bar Moving within a Field!
Find the induced electromotive force (emf) in the circuit.
Non-Uniform Charge Distribution on a Circle Section!
Calculate the electric field vector at point P.
Rotating Cone!
Calculate the moment of inertia of the cone. Assume the mass is uniformly distributed.
Flat Right Triangle!
How does the center of mass change if the density is now uniform?
Sphere with Cavities!
Calculate the electric field at the coordinates ( 0 , 2a ).
Spherical Shell!
Find the electric field at the three different regions in function of the radius r.
Landslide!
Find the horizontal distance covered by a rock that falls off a 100 m mountain and hits another rock halfway down.
Uniformly Charged Disk!
Calculate the magnitude of the electric field at a distance h from the center of the disk.