The ratio between the active power and the apparent power of a load in an ac circuit is called
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A linear circuit is one whose parameters
Inductive reactance applies only to sine waves because it
A series-parallel combination of identical resistors will
For greater accuracya the value of phase angle should be determined from
What is the complex impedance of a circuit with an absolute resistance of 300 ?
An open inductor has
When resistance are connected in parallela the total resistance is
The temperature-resistance coefficient of pure gold is
Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
Which statement is true?
Transient period is considered over after
A capacitance of 0.05 F equals
In a pure capacitancea
A term used to express the amount of electrical energy stored in electrostatic field.
For series capacitorsa total charge is
What is the total capacitance of 10 capacitorsa each of 20 F in series?
The ratio of maximum value to the effective value of an alternating quantity is called
What capacitance exists not through design but simply because two conducting surfaces are relatively…
The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
A gang capacitor is a variable capacitor in which capacitance is varied by changing the
In an ac circuit with XL and R in seriesa the
In an RL series circuita
A tank circuit is a
With double the number of turns by the same length and areaa the inductance is
Which of the following capacitors is suitable for dc filter circuits?
The farad is not equivalent to which of the following combination of units
Series resonant circuit is sometimes known as
Capacitance increase with
When frequency of an ac wave decreasesa the value of XLin a coil
Which of the following has negative temperature coefficient?
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