i y Two long straight wires carry equal but opposite currents along the (perpendicular to the page) as shown.a) At what point z-axis on the is the total magnetic field produced by the wires largest? What is its value there, expressed in terms of y-axis B Bmax io, and anything else you need? What is the direction of at this point? (Answer below.) d, B where is maximum=____________ direction of there:_______________ y B B Bmax=___________________________ b) A conducting wire loop with its axis along the y-axis is lowered at constant speed down the y-axis, as shown. Sketch the current I induced in the loop as a function of time, for -∞<t<+∞. Assume that the loop crosses at and that a positive current corresponds to y=0 t=0, counterclockwise current flow as viewed from above the loop. (just sketch the shape; you don't need to label particular values.) Place sketch to the upper left here
i y Two long straight wires carry equal but opposite currents along the z-axis (perpendicular to the page) as shown.a) At what point on the y-axis is the total magnetic field B produced by the wires largest? What is its value Bmax there, expressed in terms of io, d, and anything else you need? What is the direction of B at this point? (Answer below.) y where B is maximum=____________ direction of B there:_______________ Bmax=___________________________ b) A conducting wire loop with its axis along the y-axis is lowered at constant speed down the y-axis, as shown. Sketch the current I induced in the loop as a function of time, for -∞<t<+∞. Assume that the loop crosses y=0 at t=0, and that a positive current corresponds to counterclockwise current flow as viewed from above the loop. (just sketch the shape; you don't need to label particular values.) Place sketch to the upper left here