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Cards In This Set
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The voltage of a capacitior in an arc circuit should be?
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At least 50% greater than the highest applied voltage.
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The term that describes the conbined resistive forces in an ac circuit is?
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Impedence
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The basis for transformer operation in theuse of alternating current is mutual?
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Inductance
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The opposition offered by a coil to the flow of alternating curret is called?
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Inductive reactance
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An increase in which of the following factors will cause an increase in the inductive reactance of a circuit?
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Inductance and frequency
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When different rated capacitors are connected in series in a circuit, the total capacitance is?
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Less than the capacitance of the lowest rated capacitor
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Capacitors are sometimes used in dc circuits to?
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Smooth out slight pulsations in current/voltage
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In ac circuit the effective voltage is?
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Less than the maxium instantaneous voltage
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The amount of electricity a capacitor can store is directly proportional to the?
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Plate area and inversely proportional ot the distance between the plates
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What is the total capacitance of a certain circuit containing three capacitors with capacitances of .02 microfarad, 0.5 micofarad and 10 micorfarad respectively?
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.0125 microfarads
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Whtat is the total capacitance of a circuit containing three capacitors in parallel with capacitances of .02 microfarad, .05 microfarad and .10 micro farad respectively?
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.170 microfarads
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Unless otherwise specitfied, any values given for current or voltage in an ac circuit are assumed to be?
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Effective values
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When different rated capacitors are connected in parallel in a circuit, the total capacitance is?
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Equal to the sum of all the capacitances
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When inductors are connected in series in a circuit, the toatal inductance is?
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Wqual to the sum of the individual inductances.
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When more than towo inductors of different inductances are connected in parallel in a circuit, the total inductance is?
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Less than the inductances of the lowest rated inductors.
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