Flashcard Set Preview
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| 1 |
Coulomb
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Quantity of electric charge which passes some point when a current of 1A flows for 1second....
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Farad
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Capacitance of an object for which the electrical potential increases by 1V when 1 coulomb...
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electrical energy e.g. defib
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Energy = Potential difference x Charge, stored energy = (1/2)VQ
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Time constant (electricity)
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Resistance x Capacitance
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| 5 |
Difference between impedance and resistance?
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Impedance depends on frequency, resistance does not
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| 6 |
Capacitance, inductance and impedance and frequency
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Capacitance: impedance is proportional to 1/Freq, Inductance: impedance is proportional to...
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| 7 |
rise time, fall time
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rise time: time for signal to rise from 10% to 90% (or any other set values), fall time: time...
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| 8 |
response time (e.g CO2 analyser)
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time taken for unit to respond to a given input e.g. time from gas reaching chamber to displaying...
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| 9 |
power (electrical). equation?
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power = current squared x resistance
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