What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
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The wavelength of an alternating waveform depends upon the ___ of the variation.
What is the efficiency under the conditions of maximum power transfer?
For a carbon composition resistora typical resistance values range from
What is the total resistance of a two equal valued resistors in series?
How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
A series RL circuit has R of 10 and XL of 5 a its impedance in rectangular form is given by
If a multiplate capacitor has 10 platesa each of area 10 cm2a then
An open resistor when checked with an ohmmeter reads
Which of the following combination of length and cross-sectional area will give a certain volume of…
The impedance in the study of electronics is represented by resistan
High resistance values are a consequence of the ___ of the film.
The reciprocal of a complex number is
For multi-plate capacitora capacitance is proportional to
Conventional flow assumes charges flow from
A 0.09 microfarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor…
A law which states that when a constant electromotive force is applied to a circuit consisting of a…
For parallel capacitorsa total charge is
Why are inductance and capacitance not relevant in a dc circuit?
What theorem is usually used in the analysis of transistor circuit?
Tungsten filament of bulbs has a hot resistance higher than its cold resistance due to its temperature…
The Q-factor of a parallel resonant circuit is also known as
At parallel resonancea the currents flowing through L and C are
A capacitor is used to
What is the reciprocal of quality factor?
Which statement is true about a passive circuit?
A series RLCcircuit has a ______ power factor at its half-power points
Which of the following dielectric materials makes the lowest-capacitance capacitor?
Points to be considered in choosing a capacitor
When the temperature of copper wire is increased its resistance is
The mutual inductance between two coils is ___ the reluctance of magnetic path.
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