Find the Total Resistance (R T ) of a Three-Series $$I = \frac { Z } { E }$$

Multiple Choice

Find the total resistance (R t ) of a three-series connected resistors. $$I = \frac { Z } { E }$$

A) $E = \frac { V } { I }$
B) $I = \frac { E } { Z }$
C) $I = \frac { E ^ { 2 } } { Z }$
D) $8~~1 / 20~~ \Omega$