Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
Domain
Scalar quantity
Vector quantity
Phasor quantity
Correct Answer :
D. Phasor quantity
Related Questions
The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera the load voltage will be
60 V
15 V
20 V
30 V
If the output resistance of a voltage source is 4 a it internal resistance should be
Infinite
The unit of elastance is
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Daraf
Siemen
Henry
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Current
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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?
220 V
150 V
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22 V
The charge in the capacitor is stored at the
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Dielectric
Air
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Moving the coils closer
Moving the coils apart
Decreasing the number of turns of either coil
Increasing the number of turns of either coil
A capacitor requires 12 C of charge to raise its potential of 3 V. What is the capacitance of the capacitor?
36 F
15 F
0.25 F
4 F
A capacitive load always has a ______ power facto
Leading
Lagging
Zero
Unity
What is the reciprocal of capacitance?
Reluctance
Susceptance
Elastance
Conductance
Property of an electric circuit that dissipates electric energy
Reactance
Impedance
Resistance
Conductance
Which of the following is not considered a physical factor affecting resistance?
Length
Material type
Temperature
Cross-sectional
High resistance values are a consequence of the ___ of the film.
Thickness
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Thinness
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³Any resistance R in a branch of a network in which a current I is flowing can be replaced by a voltage equal to IR�. This states
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Reciprocity theorem
Millman�s theorem
Superposition theorem
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2/V
AV
A2
J/s
In a rectangular wavea the form factor is
A lead conductor has a resistance of 25 at 0 �C. Determine its resistance at -30 �C
Which waveform in which the rms value and the mean value are equal?
Square wave
Triangular wave
Sine wave
Sawtooth
If the capacitance of mica capacitor is 5 times the capacitcitora then the relative permittivity of mica is
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Higher resistance
Lower resistance
Higher wattage resistance
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The result of rust in electrical (wire) connection is
Inductance
Conductance
Impedance
Resistance
In a complex resistance-reactance planea XLis represented
By an axis opposite the R axis
By an axis perpendicular to the XC axis
By an axis opposite the XCaxis
By an axis parallel to the R axis
Which statement is true about a passive circuit?
A circuit with neither a source of current nor a source of potential difference
A circuit with a voltage source
A circuit with a current source
A circuit with only resistance as a load
What is the rms value of a square wave?
Equals its peak value
Equals its peak-to-peak value
Peak divided by square root of two
Peak divided by pi
A tank circuit is a
Parallel LC circuit
Series LCcircuit
A resonant circuit
A non-resonant circuit
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Manganin
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Bronze
German silver wire
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Power absorbed is maximum
Power absorbed is minimum
Power absorbed is zero
The impedance is minimum
What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
One micron
One angstrom
One steradian
One circular mil
The superposition theorem is used when the circuit contains
Reactive elements
Active elements
Number of voltage sources
Single voltage source
The internal resistance of an ideal current source is
Infinite
Zero
Equal to the load resistance
To be determined