What is the impedance of an AC series circuit that is constructed of a 10.0-W resistor along with 24.0-W inductive reactance and 7.0-W capacitive reactance?
a. 19.7 W
c. 41.0 W
b. 11.2 W
d. 27.7 W
Question 2
When a sound wave moves through a medium such as air, the motion of the molecules of the medium is in what direction (with respect to the motion of the sound wave)?
a. perpendicular
c. anti-parallel (in opposite direction)
b. parallel
d. Both choices B and C are valid.