The precipitator uses a high-voltage DC power supply to provide a set of wires with a positive charge and a set of plates with a _____ charge.

A) negative
B) positive
C) ​neutral

If a  RLC parallel circuit  contains more capacitive VARs than inductive VARs, the circuit has a _____ power factor.

A) lagging
B) leading

Technician A says disc brakes are more prone to fade than drum brakes.Technician B says disc brakes are less prone to making noise than drum brakes.Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B

In an RC parallel circuit, the amount of phase angle shift depends on the ratio of the amount of _____.

A) resistance to capacitance
B) watts to volt-amperes
C) capacitance to voltage
D) VARs to volt-amperes

During normal operation of a typical 120-volt appliance circuit, current flows through the hot, grounding, and neutral conductors.