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opposition to the flow of AC |
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A fundamental frequency sine wave and sine waves at odd harmonic frequencies |
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At the resonant frequency a capacitor and inductor in series will exhibit |
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The total opposition to the flow of AC |
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The Q of a circuit affects |
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Charecteristic impedance is an important spec to consider when choosing a |
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A pair of copper wires used for data transmission is actually a |
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Maximum power can be transferred to a load only if |
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The load impedance is the same value as the generator impedance |
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The flow of electrons from one atom to another is called |
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unit of measure to express the difference of charges between 2 points is measured in what unit |
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the minimum amount of current that could potentially kill someone |
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The milliamper has a value that is |
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one thousandth of an ampere |
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when resistance decreases and/or voltage increases |
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15000000 ohms (15 * 10^6) |
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voltage drops in a series circuit is |
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The sum of voltage drops equals the applied voltage |
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current increases and resistance stays the same in a series circuit what happened? |
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with 2 equal resistors in series what will the drop across each be if the supply is 90 volts |
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An Ammeter should be connected in |
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Series with the part of circuit to be tested |
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an ideal voltmeeter would have a very |
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when answering value questions what should be entered with the numbers |
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a voltmeter indicates a 12 v battery has 12 volts, no load is this reliable |
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No the battery may not provide adequate current because of resistance in the battery |
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a pair of wires displays what 3 charecteristics |
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resistance,capacitance and inductance |
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when a value of 10 volts is given what should it measure approximately |
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a capacitor tends to keep this across its terminals |
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Maximum power can be dissipated in a load resistance (ie receiver) when the generator(transmitter) |
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2 condutors are separated by an insulator |
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the dialectric of a capacitor can be ruptured by |
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when the distance inbetween the plates increases the capacitance |
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capacitors tend to _____ ac and _____ dc |
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resistance is the oppositon to the flow of |
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if cat 5 is longer Capacitance and inductance |
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Magnetic flux is equivelent to |
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Permiability in a magnetic is equivelent to |
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Conductance in electrical circuit. |
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a magnetic field is caused by |
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magnetic flux lines cut across an inductor |
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anywhere electrical circuits where current signals vary in amplitude |
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the y axis on an oscilloscope represents |
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the x axis on an oscilloscope is a representage of |
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causes the wave form to be stabilized |
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characteristic impedance of cat 3 and cat 5 |
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maximum power can be transfered to a load if |
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the load impedance is the same as the generator impedance. |
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the total opposition to flow is called |
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what is the formula for measuring frequency usin ms/division. |
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1/t*10^-3 or 1*10^3/divisions |
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