EET Certification Test Questions

EET Certification Test Questions What is the relationship of magnetic poles? - North and South poles attract. How does one protect against electrostatic (ESD) discharge? - Wristbands and mats. How does conventional current and electron current differ? - Flow in opposite directions (?) If a resistor carries 40 A with a voltage drop of 0.06 V, how much power is dissipated? - 2.4 W (?) What is the purpose of using flux when soldering? - Remove oxide. Which unit of measurement is represented by 6.24 * 10^18 electrons? - 1 coulomb What is the power dissipated by a computer that has an applied voltage of 120 volts and an equivalent resistance of 12? - 1200 W (?) Total voltage in a series circuit is described by which equation? - VT = V1 + V2 + V3 + ... Total resistance in a parallel circuit is described by which equation? - RT = 1/(1/R1 + 1/R2 + 1/R3 + ...) (?) What is the power dissipated by a siren that draws 3.4 A at 12 V? - 40.8 W If two 1.5 volt cells, each with the capacity to supply 1 amp of current are connected in series, what would be the total voltage and current? - 3 V and 1 A (?) What are the basic characteristics of a transformer? - Two coils around a common core material. (?) The ability of a battery to deliver electrical power continuously is expressed in which unit of measurement? - Ampere-hours What is set with the controls on a bench power supply? - The DC signal frequency (???) What does the curved side of the schematic symbol shown in figure indicate? - Negative capacitor terminal What must be done to ensure a good solder connection between components? - First clean solder iron tip on a damp sponge, then heat both surfaces to be soldered. (???) Which of the following is the equivalent of .22 uF? - 220,000 pF Which property of electricity is present with a magnetic field? - Current. (???) Slotted head driver bit - This Allen head driver bit - This Philips head driver bit - This. Used for screws with plus signs on their tops. turn forward to unease Torx head driver bit - This. Used on appliances, lawn and garden, and electronic equipment. Voltage symbol - V Current symbol - I (f) (?) Resistance symbol - Ω Power symbol - W