Question

Two long parallel wires carry currents of 10 A in opposite directions. they are separated by 40 cm. what is the magnetic field in the plane of the wires that is 20 cm from one wire and 60 cm from the other?
An object 7.25 cm high is placed 15.1 cm from a convex mirror of radius 55.2cm. (a) What is the image distance?

Related Questions

Two long, parallel wires separated by 50 cm each carry currents of 3.0 A in a horizontal direction.... Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in... Two wires parallel to each other and separated by a distance d carry different currents; they exert... Two long straight parallel wires separated by L2 = 8.16 cm carry currents of equal magnitude but hea...