Related Questions
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4
A factor that states how much the resistance changes for a change in temperature?
C. Coefficient of temperature change
D. Temperature coefficient of resistance
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4
The average value of a triangular or sawtooth wave is _____ times its peak value.
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4
A capacitive load always has a ______ power facto
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4
A real current source has
A. Infinite internal resistance
B. Zero internal resistance
C. Large internal resistance
D. Small internal resistance
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4
What is the resonant frequency of a circuit when L of 25 microhenrys and C of 10 picofarads are in parallel?
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4
Delta to wye or wye to delta transformation technique is applied to a ___ network.
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4
What rating of a resistor determines its ability to absorb heat?
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4
In a complex resistance-reactance planea XLis represented
A. By an axis opposite the R axis
B. By an axis perpendicular to the XC axis
C. By an axis opposite the XCaxis
D. By an axis parallel to the R axis
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4
Permeability is otherwise known as
B. Magnetic susceptibility
D. Electric susceptibility
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4
The impedance in the study of electronics is represented by resistan
C. Inductance and capacitance
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What is considered as the most important value of a sine wave?
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What does a capacitor store?
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If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance is
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A capacitor of 0.5 F charged to 220 V is connected across an uncharged 0.5 F capacitor. What is the voltage across each capacitor?
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4
What is the most common non-sinusoidal waveform?
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Which of the following represents the energy stored in a cap
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The result of rust in electrical (wire) connection is
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4
Loop currents should be assumed to flow in which direction
D. Either B or C arbitrarily selected
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Series resonant circuit is sometimes known as
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4
Rationalizing the denominator of a complex number means
A. Eliminating the j component in the denominator
B. Adding j component in the denominator
C. Eliminating the j component in the numerator
D. Adding j component in the numerator
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4
The capacitance of a capacitor is ___ relative permittivity.
A. Directly proportional to
B. Inversely proportional to
D. Inversely proportional to the square of
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4
Electron flow assumes charges flow from
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4
When frequency of an ac wave decreasesa the value of XLin a coil
B. Gets larger positively
C. Gets larger negatively
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A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance is ___ the original resistance.
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Which factor does not affect resistance?
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Which of the following has negative temperature coefficient?
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If two complex conjugates are addeda ___ components results.
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An inductive load always has a ___ power factor
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What is the total capacitance of 10 capacitorsa each of 20 F in series?
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In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.