Alternating current ac - Study guides, Class notes & Summaries

Level 2 Module 1 Alternating Currents 2:1 What is the step-down turns ratio of a transformer with 200 turns in the primary and 100 turns in the secondary? induced high voltage Opening the secondary of a CT under load will cause a dangerous level of___. 40Hz What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 340V Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 175V A circuit has a peak voltage of 275V....

Real Asvab Test 121 Questions with Verified Answers A square has how many sides? - CORRECT ANSWER 4 How much is 2 plus 2? - CORRECT ANSWER 4 A rose is a what? - CORRECT ANSWER A flower What is the best explanation of how a smooth round stone became smooth? - CORRECT ANSWER It was in a stream for a long time If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - CORRECT ANSWER germination Any astronomical body that ...

BICSI IN101 Exam Questions and Answers Graded A+ 2023 update Professionalism - Answer the competence or skill expected of a professional (How you look, sound, and feel) Actions of a professional - Answer Refrain from acts that cause background checks, time management, avoid arguments, park appropriot, do not steal time Principle of transmission - Answer The movement of information in either analog or digital form through copper conductors and fiber strands AC - Answer Alternating current...

COSC 325 – Final | Exam Questions With Verified Correct Answers| Latest Update Conductor - ANSWER material that has very little resistance and permits electrons to move through it easily Insulator - ANSWER any material that has a very high resistance and resists the flow of electrons Generated electricity - ANSWER the alternating current (AC) created by power plant generator Three phase - ANSWER three distinct wave cycles, 3-wires, 415V Single phase - ANSWER power supply has o...

Milady Esthetics Chapter 8 Exam Questions With Answers Electricity the movement of particles around an atom that creates pure energy. It is a form of energy that, when in motion, exhibits magnetic, chemical or thermal effects. Electric current the flow of electricity along a conductor in a complete circuit conductor any material that easily conducts electricity (ex: water, metal) Metals are good conductors; Copper is a particularly good conductor use in electric wiring and electri...

Solar Photovoltaics (PV) Installation Exam | Questions & Answers (Rated A+) Solar Photovoltaics (PV) Installation Exam | Questions & Answers (Rated A+) What is the definition of photovoltaics (PV)? - ANSWER - the science of turning sunlight directly into electricity What does the abbreviation "PV" stand for? - ANSWER - Photons of light and Volts of electricity (photovoltaic) What do PV modules consist of? What are these typically made of? - ANSWER - solar cells; silicon What is si...

ASVAB MEPS Exam 223 Questions with Verified Answers A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft? - CORRECT ANSWER 50% Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how much did he earn that day? - CORRECT ANSWER $5.00 A woman is looking for a bigger square office. She finds an office twice the area of he...

ICTL TEST (CYBER TEST) || Questions & Answers (Graded A+) ICTL TEST (CYBER TEST) || Questions & Answers (Graded A+) What does CPU stand for? - ANSWER - Central Processing Unit In a computer, what does the Central Processing Unit do? - ANSWER - The Central Processing Unit in a computer is responsible for processing data by executing a set of instructions known as programs. What does GPU stand for? - ANSWER - Graphics Processing Unit In a computer, what does the Graphics Processing Un...

NCCER 26201-20 ALTERNATING CURRENT QUESTIONS AND ANSWERS FULLY SOLVED An electric current always produces ? A magnetic field The number or cycles an alternating electric current undergoes per second is known as ? Frequency What is the peak voltage in a circuit with an RMS voltage of 120 VAC ? 170 VAC Wich of the following conditions exist in a circuit of pure resistance ? The voltage and current are in phase In a purely resistive AC circuit where 240v is applied ...

Progression: Maintenance Tech I - II Conventional: Exam In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? How can a less-experienced technician identi...

Progression: Construction Coordinator I - II Exam Answered Correctly. A chain trencher A return path sweep-and-alignment system is used to adjust which of the following? Anomalies, such as echoes and blind spots, can hide cable faults or cause a technician to misinterpret the signature of a time domain reflectometer (TDR) waveform. What causes an echo on a waveform TDR? As the RF signal travels on the coaxial cable, one portion of the signal may be attenuated more than the others. ...