ETA Exam QUESTIONS AND ANSWERS

Electrostatic Discharge - Answer- What does the acronym ESD stand for? 100mA, 200mA - Answer- Current amounts between __ and __ can be lethal. Shock - Answer- What is the number one concern in regards to electrical safety? Protons, neutrons, electrons - Answer- Bohr's Atomic Model consists of what three components? Shells - Answer- Electrons are arranged in __ around the nucleus. Conductors, semi-conductors, and insulators - Answer- What are three types of materials used in electronics? A, B, C, D, K - Answer- In the United States, there are five common classifications of fires, which are: Directly proportional, inversely proportional - Answer- Coulomb's law describes the forces of attraction or repulsion between electrical charges, which are ___ to the product of the charges ___ to the distances between them. Lines of flux - Answer- The magnetic field that surrounds a magnet can best be described as invisible lines of force, and are commonly referred to as: Voltage, current, and resistance - Answer- An analog multimeter (AMM) checks for: Dual-trace - Answer- An oscilloscope with two vertical inputs is commonly referred to as a ___ oscilloscope. Voltage drop - Answer- Voltage or potential difference is the measure of potential energy between two points in a circuit and is commonly referred to as: The resistance of a component at a given frequency - Answer- What is impedance? 210 ohms - Answer- A resistor has three color bands of red, brown, and brown. What is the homie value of the resistors? Inductor - Answer- What components value is measured in millihenries? Power, resistance, current, and voltage - Answer- Ohm's law characterizes the relationship between: