Impedance is Study guides, Class notes & Summaries

25-pair color code - ANSWER-White - Blue, orange, green, brown, slate Red - Blue, orange, green, brown, slate Black - Blue, orange, green, brown, slate Yellow - Blue, orange, green, brown, slate Violet - Blue, orange, green, brown, slate Fiber color code - ANSWER-Blue, Orange, Green, Brown, Slate, White, Red, Black, Yellow, Violet, Rose, Aqua NVP - ANSWER-Nominal Velocity of Propagation Insertion loss - ANSWER-The difference in the amount of power received before and after something...

HVACR Practice Test Correct 100% What is the symbol for impedance? a. R b. I c. Z d. P - ANSWER z The safety ground conductor for A/C circuit is usually color coded ________. a. red b. green c. black d. white - ANSWER Green Resistance is _______. a. amperage b. electrical pressure c. opposition to current flow d. voltage applied to the circuit - ANSWER opposition to current flow How many watts of power are used by a heater operating at 480 volts and drawing 5 amps? a. ...

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...

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 elect...

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 ...

NERC Transmission Practice Test, Exam Q&As, A+ Guide-Station #1 is at 539KV and station #2 is at 534 KV. Which direction will the MVAR typically flow? A. From station #1 to station #2 B. From station #2 to station #1 C. Downhill based on power angle D. Uphill based on power angle - A. From station #1 to station #2 Each transmission operator shall arrange for supply of _____ resources within its boundaries to protect the voltage levels under contingency conditions A. Transmission B. Gene...

BIOD 121 LEARNING PORTAGE NUTRITION MODULE 3 PROBLEM SET which person is at a greater risk for health issues related to being overweight or obese? Janet has a BMI of 28 and a waist to hip ratio of 0.95. Fred has a BMI of 28.9 and a waist to hip ratio of 0.78. - CORRECT ANSWER-Janet. Both have a BMI that indicates being overweight, but Janet has a more at-risk waist to hip ratio as her value is greater than 0.8. (Women should have a waist to hip ration less than 0.8 and males should ha...

What is the most important law applicable to the study of electricity? - Answer-Ohm's Law What are the elements of Ohm's Law? - Answer-Voltage, Current & Resistance What are four sources of electrical power? - Answer-Mechanical, chemical, photoelectric and thermal What does an electrical circuit consist of? - Answer-1. a source of electrical pressure 2. resistance 3. conductors What represents capacitance in an AC circuit? - Answer-a capacitor What is the function of a capaci...

What is the most important law applicable to the study of electricity? - Answer-Ohm's Law What are the elements of Ohm's Law? - Answer-Voltage, Current & Resistance What are four sources of electrical power? - Answer-Mechanical, chemical, photoelectric and thermal What does an electrical circuit consist of? - Answer-1. a source of electrical pressure 2. resistance 3. conductors What represents capacitance in an AC circuit? - Answer-a capacitor What is the function of a capaci...

NETA III questions with complete solutions 2023 verifiedWhat is the approximate sum of the following two vectors? Magnitude 23 at 62° and magnitude 17 at 10°. magnitude 40 at 72° magnitude 5 at 52° magnitude 40 at 52° magnitude 36 at 40° - correct answer magnitude 40 at 72*** Which is the correct definition of THD as put forth in IEEE 1159? THD is the power factor under the condition of no load. THD is the total hysteresis distortion of a selected transforme...