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| Not used anymore from confusion with dBV |
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| The total opposition to AC by an electric circuit. Includes Resistance and reactance of the circuit and is expressed in Ohms. |
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Each Element is composed of Atoms.
What are the 3 parts? |
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| Protons, Neutrons, Electrons |
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| Protons charge is what and where is it located in the atom? |
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| Positive. part of the Nucleus. |
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| Neutrons charge is what and where is it located in the Atom? |
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| Neutral, part of the nucleus |
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| What charge does an Electrons have and where is it located in the Atom? |
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| Negative, surrounds the nucleus |
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| The number of protons in the nucleus giving it's identity |
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| The further away the nucleus is, the ______ energy it has |
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| Electricy is almost always the result of what occurance? |
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| Electrons moving from one atom to another |
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| Electrons are lighter or heavier compared to Neutrons and Protons? |
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| Lighter. They weigh almost nothing. |
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| aprrox. equal to the sum of the number of Protons and Neutrons in the nucleus |
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| A _____ is when an Atom has an electrical charge based off the loss or gain of an electron |
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| Different elements join together to make up |
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| The faster atoms are moving |
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| Electrons are mobile in a... |
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| ___________ is the best conductor, but we use ___________ |
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| Silver; Copper & Aluminum |
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| Insulator ______ current from flowing |
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| Glass, dry wood, plastics, & most gases are examples of |
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| Semi-conductors require _____ current |
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| Silicone, Selenium, Germanium & other metal oxides are examples of |
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| Semi-conductors are used to control conductivity to |
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| produce, amplify, rectify, switch and mix a signal |
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| Movement of electrons in a substance |
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| potential (difference) because it exists even when there is no current present |
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| The measure of the opposition that a circuit offers to the flow of an electric current is known as |
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| Resistance is measured in |
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| A ______ controls the flow of current |
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| Higher Ω, _____ resistance |
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| What are the main purposes of a resistor? |
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| voltage division, biasing, current limiting, power dissipation |
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| Variable Resistor that controls Voltage (i.e fader) |
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| The Unit of Measure for Conductance |
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| Conductance is the opposite of ________ |
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| Conductance=Current (A)/Resistance (R) |
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| Resistance= Current (A)/Conductance |
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| Resistance in Series: current is the _______ at all points |
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| The math to find Total Resistance (RT) |
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| Resistance in Parallel: ______ is the same at all points |
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| Math to find resistance in Parallel |
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| Kirchoff's First Law (AKA Kirchoffs Current Law or Conservation of Current) is |
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| The sum of all the voltages as you go around a circuit from some fixed point and return there from the opposite direction is always zero. |
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| Kirchoff's Second Law (AKA Kirchoff's Coltage Law or The Conservation of Voltage) |
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| The sum of all the voltages as you go around a circuit from some fixed point and return there from the opposite direction is always zero |
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| Point of intersection in a Circuit |
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| Unit of Measure for Power |
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| Power dissipated over a length of time |
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| The rate at which energy is expanded |
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| Energy=1 joule=1 ____per second |
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Lowest wattage/Highest wattage
LOG 10
make positive
x10
___ dB |
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| Electric current that always flows in the same direction and does not change in intensity |
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Electric Current that reverses direction periodically
(once every 1/120 of a second, complete every 1/600 of a second) |
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| a magnetic field which push the current along and induces more current |
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| ______ (L) is measured in _____ (H) |
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| ______ slows AC and DC charge carriers (Electrons) by Brute Force |
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_______ impedes the flow of AC charge by
temporarily storing the energy as a magnetic field |
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| _______ impedes the flow of AC charge carries by temporarily storing the energy as an electric field |
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| Capacitance (C) is measured in |
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| Caps have ______, a component of impedance |
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| Capacitance is determined by the size of the plates and the distance between them . The closer the sheets are together, the ______ the capacitance, the _____ the rate of voltage in the plates |
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| Generally, Filters consist of resistive and ____ components |
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| reactive (i.e capacitors or inductors) |
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| -6dB per octave (i.e 1604) |
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| Metal Oxide Semi-Conductor |
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| Complementary Metal Oxide Semi Conductor |
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| Diodes mean current flows ____ way(s) |
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| Early Diodes were ____ tubes. Now they are made from _________ |
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| Accelerate electrons to high speeds, resulting in large currents. All gasses are removed. The intensity can be changed very quickly (i.e cathode ray, tv's) |
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| Gas-filled Tubes have a constant _____ drop, no matter what the current |
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| voltage. They are useful fr voltage regulators in high-voltage, high-current power supplies |
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| rectification, found in power systems where large voltages are required for long continuous periods |
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| changing AC to DC, vice versa |
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| first semi-conductor Diode |
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| Making sure you have the right amount of current going in and out of the tube, using potentiometers |
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| Three terminal device, basic amplifier. Almost always made of silicon. A small change in base current causes a large change in collator current and voltage. |
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| Balanced Cables have 3 _____ |
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| In a Balanced Cable, Pin 1=?, Pin 2=?, Pin 3=? |
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| Ground, Hot (+V) "live", Cold (-V) "neutral" |
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| Unbalanced Cables have __ Conductors |
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| In an unbalanced cable, Pin 1=?, Pin 2=? |
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| RCA, TS, BNC, Banana Plug/Speak On cables are |
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| Standard voltage for ____ audio gear is 1.23Vrms |
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| Standard voltage for ______ audio is .32Vrms |
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| .dBV=>Reference is ___V rms |
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| .dBu=>Reference is ___ volts |
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| .dBW=>Reference is ____ watt |
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