What is the reciprocal of quality factor?
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When the power factor of a circuit is zeroa
Which one of the following elements serves as a protection against overload?
Electric energy refers to
When two coils of identical reactance are in parallel without mutual inductancea the reactance of the…
The hot resistance of an incandescent lamp is about ___ times its cold resistance.
A neon glow lamp used as a night light ionizes at approximately
The rms value of a triangular or sawtooth waveform is ___ tim value.
The arc across a switch when it open an RL circuit is a result of the
Which waveform in which the rms value and the mean value are equal?
How many degrees of phase represents one full cycle?
In a parallel bank with unequal branch resistances
When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
Which of the following is the most popular waveform?
What is expected when two 20 k a 1 watt resistor in parallel are use instead of one 10 k a 1 watt?
Delta to wye or wye to delta transformation technique is applied to a ___ network.
What is considered as the most important value of a sine wave?
Which of the following is a disadvantage of a wire-wound resistor?
Which is considered as the effect of a dielectric material?
What is the conductance of a circuit having three 10 resistors in parallel?
The capacitor opposes any change in voltage across it by
The unit of elastance is
In an RL series circuita
The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase…
If two complex conjugates are addeda ___ components results.
Which factor does not affect resistance?
A 5 F capacitor charge to 5V has a stored charge equal to
What is the most convenient way of achieving large capacitance?
For a linear circuita ___ voltage or current is used to calculate average power.
The internal resistance of an ideal voltage source is
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