Ac circuit - Study guides, Class notes & Summaries

XC - correct answer ______ is the letter(s) used to indicate capacitive reactance in a circuit. A) XL, B) Z, C) HZ, D) XC Conductors drawn from a copper-clad aluminum rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of ________ percent of the csa. - correct answer 10 Relay contacts are made of ___________. - correct answer Silver Defined apparatus - correct answer The organization or system used for doing or operating something Operation o...

In capacitors, what is the purpose of the dielectric? - ANSWER-Prevent arcing within the capacitor Which of the following is true about capacitors in AC circuits? - ANSWER-Current leads voltage all the time What describes a capacitor s ability to store an electrical charge? - ANSWER-Capacitance which of the following statements is correct about polarized electrolytic capacitors? - ANSWER-Voltage polarity must be correct What is the time constant for a circuit with 150k ohms and 2 mic...

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...

AC CIRCUIT FINAL TEST QUESTIONS WITH REVISED ANSWERS The effective value - Answer-Value of alternating current is the amount that produces the same degree of heat in a given resistance as an equal amount of direct current. It is also referred to as RMS value. Two complete alternations of voltage with no reference to time make up a... - Answer-Cycle The unit of frequency is the... - Answer-hertz The the relationship between the frequency and the period of a sine wave is expressed as......

NEIEP 700 FINAL Exam Questions And Answers 100 % Correct straight line wiring diagram - ANS What types of wiring diagrams are most commonly used in circuit tracing answers calls sequentially in the direction of travel - ANS which of the following describes selective collective elevator control function switch to A-, red lead to 10A jack, black lead to com jack - ANS which of the following statements correctly describes how to measure AC Current An SCR - ANS what does the symb...

AC Circuit Exam 1 Questions with Certified Answers Mutual Inductance - Answer-Anytime flux lines cut across a conductor they generate a voltage even though there is no electrical connection between the two. Choke - Answer-An inductor used to impede, or impose, the changes of pulsating direct current. Transformer - Answer-An electrical component used to change the voltage and current in an alternating current circuit. Lenz's law - Answer-The current induced in a conductor cur by the l...

University of California, Irvine EECS 170c Final Exam Questions with 100% Correct Answers EECS 170C Final Examination Please note: 1. Examination is open book and notes. 2. Two problems. Problems carry different weights. 3. Problem 1 answers must be entered into CANVAS to get credit. 4. Maximum time is 2 hours. 5. All the answers must be added in the tables provided. 6. Please write your name on each page you submit. Problem 1 (25 points.) Following is given for the circ...

AC Circuits Test Questions with Revised Answers Classification of capacitor relating to circuit function - Answer-feed-through, filter, padder, trimmer, tuning, stand-off filter capacitors - Answer-high value capacitors used to flatten out pulsations in dc voltages polarized capacitor, curved plate symbol means - Answer-negative terminal of the capacitor Time Constant - Answer-time obtained by multiplying resistance by capacitance When capacitor is charging, a time constant represe...

Associate CET 6th guide Exam Questions And Answers All Verified A resistor __________________. a. stores an electric charge b. is measured in coulombs c. cause a voltage drop across it d. dependent on lines of force - ANS c. cause a voltage drop across it 1 kΩ is the same as _________. a. 1000 ohms b. .001 ohms c. 10e-2 ohms d. 10000 ohms - ANS a. 1000 ohms A resistor with color bands orange, red, brown is _____. a. 3.2 mega ohms b. 232 ohms c. 2.3 kilo ohms d....