Impedance and reactance - Study guides, Class notes & Summaries

Annex D Exam; Questions & Answers 100% Solved What is VSWR? CORRECT ANSWER-Voltage Standing Wave Ratio measures the amount of reflected power versus radiated power expressed in a ratio. What is resistance? CORRECT ANSWER-Resistance limits the flow of current creating heat as a result. What is Impedance? CORRECT ANSWER-The opposition of alternating current due to resistance and reactance. What is the significance of voltage polarity states of the E field? CORRECT ANSWER-The negative a...

Attenuation Correct Answer-The Decrease in magnitude or power loss of a signal. Decibels, dB Correct Answer-Unit of measurement for attenuation. American Wire Gauge (AWG) Correct Answer-The numerical system for designating wire diameter. inverse relationship Correct Answer-American Wire Gauge numbers have this relationship to the wire size. Balanced Twisted-Pair Correct Answer-Type of wiring in which 2 conductors of a single circuit are twisted together in order to minimize EMI V=...

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 D. A and B above 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 C. AC requires more advanced technology An AC voltage source schematic symbol: A. is a sine wave in a circle ...

BICSI IN225 7.0, Installer 2, Copper questions with correct answers Attenuation Correct Answer-The Decrease in magnitude or power loss of a signal. Decibels, dB Correct Answer-Unit of measurement for attenuation. American Wire Gauge (AWG) Correct Answer-The numerical system for designating wire diameter. inverse relationship Correct Answer-American Wire Gauge numbers have this relationship to the wire size. Balanced Twisted-Pair Correct Answer-Type of wiring in which 2 conductors of...

Systems Verification BICSI Final Exam Questions And Answers (Verified And Updated) Cross Connects, Backbone Cabling, and Administration - answerAdministration systems include requirements for; identifiers - that serve to locate the element record and administration scheme such as the standards found in ANSI/TIA 606-B, records - which can be paper based, spreadsheets, database programs, or computer programs specially designed for that purpose, and labeling - with a variety of methods to di...

What is the most important law applicable to the study of electricity? CORRECT ANSWER Ohm's Law (I = E ÷R) What are the elements of Ohm's Law? CORRECT ANSWER Voltage (E), current (I), and resistance (R) What are the sources of electrical power? CORRECT ANSWER Mechanical (generator), chemical (battery), photoelectric (light), and thermal (heat) What does an electrical circuit consist of? CORRECT ANSWER A source of electrical pressure or EMF, resistance in the form of an energy consumi...

Attenuation - correct answer The Decrease in magnitude or power loss of a signal. Decibels, dB - correct answer Unit of measurement for attenuation. American Wire Gauge (AWG) - correct answer The numerical system for designating wire diameter. inverse relationship - correct answer American Wire Gauge numbers have this relationship to the wire size. Balanced Twisted-Pair - correct answer Type of wiring in which 2 conductors of a single circuit are twisted together in order t...

Attenuation correct answersThe Decrease in magnitude or power loss of a signal. Decibels, dB correct answersUnit of measurement for attenuation. American Wire Gauge (AWG) correct answersThe numerical system for designating wire diameter. inverse relationship correct answersAmerican Wire Gauge numbers have this relationship to the wire size. Balanced Twisted-Pair correct answersType of wiring in which 2 conductors of a single circuit are twisted together in order to minimize EMI V=...

GROL Element 3: Complete Study Guide and Practice Questions for General Radiotelephone Operator License The product of the readings of an AC voltmeter and AC ammeter is called: Apparent power What is the term used to express the amount electrical energy stored in an electrostatic field? Joules What formula would determine the inductive reactance of a coil if frequency and coil inductance is known? Xl=2pi(fL) What determines the strength of a magnetic field around a conductor? The am...

ACET study guide Exam Questions with 100% Correct Answers Binary is in vaules of? - answer1 , 2, 4, 8...... so on incressed by *2 each following Octal place vaules? - answer0-7 each digit holds a place vaule of 3 binargy digits Hex - answer0-9 followed by A-F. A=10 each digit holds 4 in binary Binary divide by rule - answerWhen you divide, no remainder =0, remainder =1 Don't carry foward the remainder. Revese the reminders when translating to binary Classes of fire - answerClass A comb...