ETA Certification Test Questions with 100% Correct Answers | Verified | Updated 2024, Exams of Advanced Education

Download ETA Certification Test Questions with 100% Correct Answers | Verified | Updated 2024 and more Exams Advanced Education in PDF only on Docsity! ETA Certification Test Questions with 100% Correct Answers | Verified | Updated 2024 Which symbol is used for ohms of resistance? - Correct Answer-Ω A unit of energy is the: - Correct Answer-Joule Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called: - Correct Answer-atoms A component whose value is measured in microfarads is a: - Correct Answer-capacitor Kirchoff's Voltage Law (KVL) states that the total voltage around a closed loop must be zero. - Correct Answer-True The pole of the magnet from which the flux leaves is called the _______ pole. - Correct Answer-north pg. 1 professoraxe l Safety precautions to be taken when working on high voltage equipment include which of the following? - Correct Answer- All jewelry should be removed Which metric prefix would be used to represent 1 x 10⁻³ - Correct Answer-Milli An electron has: - Correct Answer-a negative charge Total power in a series circuit equals the: - Correct Answer- sum of the power dissipated by each resistor Invisible lines of force that surround a magnet are called: - Correct Answer-magnetic flux lines The basic unit of electric power is the: - Correct Answer-watt With three 4.5 kΩ resistors and one 1.5 kΩ resistor in parallel, the total resistance is: - Correct Answer-750 Ω The basic unit of length in the metric system is the: - Correct Answer-meter pg. 2 professoraxe l A component whose value is measured in Ohms is a: - Correct Answer-resistor You should use caution when talking to someone who is operating electrical equipment because the distraction: - Correct Answer-could damage the equipment could ruin an electronic device both could be injured all of the above A material that can be magnetized easily falls into this category: - Correct Answer-Ferromagnetic It is dangerous to use wooden handle tools around high voltage due to their ability to absorb moisture. - Correct Answer-True Which metric prefix would be represented by 1 x 10¹²? - Correct Answer-Tera The output of a lead-acid cell is approximately: - Correct Answer-2.1 V pg. 5 professoraxe l If a short occurs in the parallel portion of a series-parallel circuit, how will the total resistance be affected? - Correct Answer-It will increase ______ is a term used to describe voltage. - Correct Answer- Electromotive force In a parallel circuit, total resistance: - Correct Answer-is less than the resistance of any branch In a linear electrical circuit, voltage and current are: - Correct Answer-inversely proportional A molecule is the smallest particle of matter than exist by itself. - Correct Answer-False When an individual receives an electrical shock, an immediate symptom can be: - Correct Answer-cardiac arrest Watt's Law states that power is the product of current and voltage. Using algebra, how could the power be determined if pg. 6 professoraxe l resistance and current are known? - Correct Answer-current squared times the resistance Which of the following is commonly used to measure electrical energy consumption? - Correct Answer-Kilowatt- hours What happens as protective eye goggles age? - Correct Answer-Their resistance to scratching decreases The Wheatstone bridge can be used for precision measurement of: - Correct Answer-resistance A term used to describe opposition to current flow is: - Correct Answer-resistance The main purpose of a safety observer is to: - Correct Answer- turn off equipment in use and apply emergency first aid or cardiopulmonary resuscitation if needed With 70 volts applied to two 30 kΩ resistors in series connected to three 30 kΩ resistors in parallel forming a series- pg. 7 professoraxe l Which prefix would be used to represent 1 x 10⁶? - Correct Answer-Mega A resistor with 68 +/- color bands of blue, gray, and black has a value of ________. - Correct Answer-68 ohms at 20 percent When two 10 kΩ parallel resistors are connected in series with a third 10 kΩ resistor, total resistance (RT) is: - Correct Answer-15 kΩ The current flowing in a circuit is directly proportional to the applied voltage and inversely proportional to circuit resistance. This is a statement of: - Correct Answer-Ohm's Law A/an _____ allows current to flow easily - Correct Answer- conductor The unit of measure for electron flow is a(n) _____. - Correct Answer-ampere The sum of voltage drops in a series circuit: - Correct Answer- equals the applied voltage pg. 10 professoraxe l The "triboelectric effect" causes what kind of electricity? - Correct Answer-Static Kirchoff's First Law is also known as the principle of conservation of electric charge. It states that at any point, the sum of currents flowing toward that point is equal to the sum of currents flowing away from that point. - Correct Answer- True In a simple parallel circuit, the voltage across each branch is ____. - Correct Answer-equal to the source voltage Thevenin's Theorem states that it is possible to simplify any circuit containing any amount of voltage sources, current sources, or resistance, no matter how complex, to an equivalent circuit with just a single voltage source and series resistance connected to a load. - Correct Answer-True The Law of Static Electrical Charges states: - Correct Answer- like charges repel pg. 11 professoraxe l In order to eliminate possible fire hazards, rags should be stored in: - Correct Answer-metal containers A basic atom must contain what two types of subatomic particles? - Correct Answer-electron and proton When resistors are added in parallel to a parallel circuit, total current: - Correct Answer-increases pg. 12 professoraxe l