A Circuit and a Mass!
Determine the direction of the current in the circuit and its value between points \(a\) and \(b\)
Crossed Cables!
Find the magnitude and direction of the total magnetic field at points A, B, C, and D.
Current in a Ring!
Find the magnitude and direction of the magnetic field at the center of the ring.
Nucleus Moving in Circles!
What is the magnitude and direction of the magnetic force acting on the moving nucleus?
Pulsating Direct Current!
Find the period of oscillating current in an electric circuit.
Reaching the Other Plate!
Find the maximum \(h\) at which the proton barely reaches the other plate.
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.
Torque on a Square Loop!
Calculate the net force and torque that the magnetic field exerts on the loop.