Find the total resistance of the combination of resistors shown in the figure below. (R, = 0.200 pn, R, = 14.0 pn, and R. = 2.50 pn.) R1 R3Find the potential difference between point a and point b for the situation shown below. Here , = 12.0 V, B, = 8.27 V and R. = 4.33 0, R, = 5.24 0, and R. = 2.48 0. WW R1 WW WW R3 b V VAFind the equivalent resistance of the combination of resistors shown in the figure below. (R. = 2.32 pn, R, = 19.1 pn.) R WWW WW 1.50 un 8.00 40 3.50 pm 0.75 pi WW WW