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Cards In This Set
| Front | Back |
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Unit of inductance
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Henry
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In series hernrys
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Add up
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In parallel hernrys
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1 over rule
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If a Dc voltage is connected to an inductor, during the period of time called the first time constant, the current will rise to about___ % of its full value.
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63.2%
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When Dc is applied to a coil,a plot of the current flow in the coil increasing from 0 is an______ curve.
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Exponetial
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In a circuit containing resistance and inductane the circuit time constant is obtained by the following calculation____
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T=L/R
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A Capacitor is constructed by seperating two metal conductors called____ with an insulating material called_____.
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Plates dielectric
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The unit of capacitance is the_____
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Farad
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It takes____ RC time constance for the capacitor to fully charge.
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5
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Circuit containing resistance and capacitance the time constant is what calculation.
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T=R*C
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The united states frequency of the ac power line voltage is____
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60Hz
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All sine wave ac measurments are in____ value
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RMS
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The value of alternating current whitch has the same heating effect as corrasponding dc value is known as the____value
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RMS
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One alternation of ac sine wave includes_____ degrees while one cycle includes_____ degreees.
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180 360
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For a sine wave of alternating current, the rate of current change is greatest......
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At the point were it crossesthe zero reference line.
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