Alternating voltage - Study guides, Class notes & Summaries

CWB Level 2 Study Modules 4-5-6-7-8-9- During arc welding there is a zone adjacent to the weld metal that reaches high temperatures but does not melt. What is the name of this region? - Heat Affect Zone (HAZ) In parallel electrical circuits, the voltage across each resistor is the same since each path is connected to the same voltage source. Select the correct statement. A. in each parallel path the resistance must be equalized to create equal voltage. B. the current flowing in eac...

14 - AMT - Airframe - Aircraft Electrical Systems (132) Questions and Answers Graded A+ What is the primary function of an aircraft's electrical system? The primary function of an aircraft's electrical system is to provide power for aircraft systems, including avionics, lighting, and instruments. How is the aircraft battery typically charged? The aircraft battery is typically charged using a generator or an alternator that converts mechanical energy into electrical energy. ...

Edexcel IGCSE Physics, question and answer average speed = distance / time v = d / t Standard Unit for mass (m) kilogram (kg) Standard Unit for distance (d) or displacement (s) metre (m) Standard Unit for speed (s) or velocity (v) metre/second (m/s) Standard Unit for acceleration (a) metre/second² (m/s²) Standard Unit for Force (F) Newton (N) Standard Unit for time (t) Second (s) Standard Unit for gravitational field strength (g) ...

CWB Level 2 Study Modules 4-5-6-7-8--22 Exam Questions With Verified Solutions During arc welding there is a zone adjacent to the weld metal that reaches high temperatures but does not melt. What is the name of this region? - ANS Heat Affected Zone (HAZ) In parallel electrical circuits, the voltage across each resistor is the same since each path is connected to the same voltage source. Select the correct statement. A. in each parallel path the resistance must be equalized to create...

1. In alternating current: A. current flow alternates back and forth B. voltage alternates positive and negative C. resistance changes between high and low D. A and B above ANS : D. A and B above 2. Historically, DC came before AC because: A. DC is more useful B. DC is easier to transmit over long distances C. AC requires more advanced technology D. AC is less efficient ANS : C. AC requires more advanced technology 3. An AC voltage source schematic symbol: A. is a sine wave in a...

HVAC Excellence - ELECTRICITY Exam Questions and Answers Already Passed Current flow is: The flow of electrons in the circuit. Impedance is: Opposition to alternating current flow. Like charges; repel each other. Any material that will readily release electrons is called; A conductor The symbol for current is; I Which of the following materials would be best suited for use as a semi-conductor? silicon The safety ground conductor is usually color coded; green or bare. An ...

PICAT/ASVAB Test Exam | Questions and Answers Graded A+ Latest 2024/2025 Which of the following is NOT a pipe wrench? - CORRECT ANSWER Socket Wrench What doesn't have an electric motor? - CORRECT ANSWER Toaster In concrete work a "darby" is a - CORRECT ANSWER Type of wooden float The technique for joining copper water pipes is called? - CORRECT ANSWER Soldering A Speaker that produces high frequencies is called? - CORRECT ANSWER Tweeter What's is constantly used as a conductor?...

General Exam AVMT UPDATED Exam Questions and CORRECT Answers The working voltage of a capacitor in an AC circuit should be - CORRECT ANSWER- at least 50 percent greater than the highest applied voltage The term that describes the combined resistive forces in an AC circuit is - CORRECT ANSWER- impedance The basis for transformer operation in the use of alternating current is mutual - CORRECT ANSWER- inductance

PICAT/ASVAB Test Exam | Questions and Answers Graded A+ Latest 2024/2025 Which of the following is NOT a pipe wrench? - CORRECT ANSWER Socket Wrench What doesn't have an electric motor? - CORRECT ANSWER Toaster In concrete work a "darby" is a - CORRECT ANSWER Type of wooden float The technique for joining copper water pipes is called? - CORRECT ANSWER Soldering A Speaker that produces high frequencies is called? - CORRECT ANSWER Tweeter What's is constantly used as a conductor?...

4A Unit 8 Questions and Answers 100% Pass (4-083-3.2) An electrical distribution system is composed of service, feeders and: Select one: a. Trunk circuits b. Branch circuits c. Primary circuits d. Secondary circuits b. Branch circuits (4-082-2.6) A transformer has a primary voltage of 500 volts and 20 turns on the primary winding. If the secondary winding has 5 turns, the voltage of the secondary is: Select one: a. 4 volts b. 100 volts c. 2500 volts d. 125 volts d. 125 vo...