The maximum power transfer theorem is used in
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A capacitive load always has a ______ power facto
When the net reactance in a series coil-capacitor circuit is zero at frequency fa the nature of its…
Which factor does not affect resistance?
What is the specific resistance of a pure silicon?
If voltage across the plates of 2 F capacitor is increased by 4 Va then charge on the plates will
Which of the following represents the energy stored in a cap
A series RL circuit has R of 10 and XL of 5 a its impedance in rectangular form is given by
What is considered as the most important value of a sine wave?
The charging of a capacitor through a resistance follows what law?
A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…
The current is ____ times the maximum current at half-power points of a resonance curve.
What is the purpose of a load in an electric circuit?
In an ac wavea 30 degrees of phase is ___ of a cycle.
For greater accuracya the value of phase angle should be determined from
What is the value of a carbon composition resistor with the following color code: Browna whitea orangea…
Which of the following is not a factor affecting capacitance oor?
What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
A rheostat is a form of
VL= VCin a series RLCcircuit when
Two complex numbers or phasors are said to be conjugate if they
For a series circuita the higher the quality factor
Which of the following capacitors is suitable for dc filter circuits?
At parallel resonancea the currents flowing through L and C are
A circuit whose parameters change with voltage or current.
What is the temperature coefficient of the resistance Eureka?
A series RLCcircuit has a ______ power factor at its half-power points
What is the conductance of a circuit having three 10 resistors in parallel?
Loop currents should be assumed to flow in which direction
When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
A linear circuit is one whose parameters
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