In three-phase power systems, the delivered power _____.

A) falls to zero three times per cycle
B) falls to zero once per cycle
C) never falls to zero
D) falls to zero at least three times per cycle

In a series RC circuit, the resistor voltage is 124 V and the capacitor voltage is 167 V. What is the total voltage?

A) 111 V
B) 143 V
C) 208 V
D) 240 V

In some capacitors, there is a small amount of current that flows from one plate, through the dielectric material to the other plate. This current is called _____ current.

A) leakage
B) conduction
C) electrostatic
D) electrolytic

Losses in the core of iron core inductors include _____ and _____ losses.

A) eddy current; hysteresis
B) resistive; inductive
C) reactive; inductive
D) hysteresis; inductive

The transformer that converts a high voltage from the power company down to 240/120 V for homes and businesses is called a(n) _____ transformer.

A) auto
B) distribution
C) control
D) household

Antilock brake systems (ABS) and electronic stability control (ESC) systems are standard equipment on modern cars and light trucks sold in the United States.

When a DC machine is used as a generator, the _______________ performs the function of a mechanical rectifier to change the AC produced in the armature into DC before it exits the machine through the brushes.