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4

The Q-factor of a series resonant circuit is also known as

A. Current magnification factor

B. Voltage magnification factor

C. Load factor

D. Leakage factor

Correct Answer :

B. Voltage magnification factor


Related Questions

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A factor that states how much the resistance changes for a change in temperature?

A. Resistivity

B. Specific resistance

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.

A.

B.

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A capacitive load always has a ______ power facto

A. Leading

B. Lagging

C. Zero

D. Unity

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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?

A. 10.1 kHz

B. 10.1 MHz

C. 101 MHz

D. 101 kHz

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4

Delta to wye or wye to delta transformation technique is applied to a ___ network.

A. One-terminal

B. Two-terminal

C. Three-terminal

D. Complex

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4

What rating of a resistor determines its ability to absorb heat?

A. Wattage

B. Ohmic

C. Current

D. Voltage

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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

A. Magnetic conductivity

B. Magnetic susceptibility

C. Electric conductivity

D. Electric susceptibility

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4

The impedance in the study of electronics is represented by resistan

A. Inductance

B. Capacitance

C. Inductance and capacitance

D. Reactance

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4

What is considered as the most important value of a sine wave?

A. Effective value

B. Peak value

C. Average value

D. Instantaneous value

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4

What does a capacitor store?

A. Voltage

B. Charge

C. Current

D. Power

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4

If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance is

A. 3 mH

B. 9 mH

C. 27mH

D. 18 mH

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4

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?

A. 220 V

B. 150 V

C. 110 V

D. 22 V

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4

What is the most common non-sinusoidal waveform?

A. Square wave

B. Triangular wave

C. Trapezoidal wave

D. Sawtooth wave

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4

Which of the following represents the energy stored in a cap

A. CV2/2

B. 2Q2/C

C. C2/V

D. CV

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4

The result of rust in electrical (wire) connection is

A. Inductance

B. Conductance

C. Impedance

D. Resistance

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4

Loop currents should be assumed to flow in which direction

A. Straight

B. Clockwise

C. Counter-clockwise

D. Either B or C arbitrarily selected

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4

Series resonant circuit is sometimes known as

A. Rejector circuit

B. Acceptor circuit

C. Inductive circuit

D. Capacitive circuit

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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

C. Equal to

D. Inversely proportional to the square of

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4

Electron flow assumes charges flow from

A. Negative to positive

B. Negative to negative

C. Positive to negative

D. Positive to positive

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4

When frequency of an ac wave decreasesa the value of XLin a coil

A. Approaches zero

B. Gets larger positively

C. Gets larger negatively

D. Stays constant

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4

A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance is ___ the original resistance.

A. Half

B. Twice

C. One-fourth

D. Three times

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4

Which factor does not affect resistance?

A. Length

B. Resistivity

C. Cross-sectional area

D. Mass

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4

Which of the following has negative temperature coefficient?

A. Carbon

B. Nickel

C. Brass

D. Constantan

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If two complex conjugates are addeda ___ components results.

A. In-phase

B. Quadrature

C. Complex

D. Outof-phase

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An inductive load always has a ___ power factor

A. Leading

B. Lagging

C. Zero

D. Unity

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4

What is the total capacitance of 10 capacitorsa each of 20 F in series?

A. 200 F

B. 2 F

C. 100 F

D. 0.5 F

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In a resonant circuita if Q ? 10 resonant frequency _______ bandwidth.

A. Bisects

B. Exceeds

C. Is less than

D. Is equal to