In an ac circuita the power dissipated as heat depends on
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What rating of a resistor determines its ability to absorb heat?
What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
Which of the following is the peakiest?
The rms value of a triangular or sawtooth waveform is ___ tim value.
The ratio of the flux density to the electric field intensity in the dielectric is called
An open inductor has
How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
When the power factor of a circuit is zeroa
In a complex number 5 + j 10a 10 is called ___ part.
In liquids and gasesa ionization current results from a flow of
The internal resistance of an ideal current source is
What is the complex impedance of a circuit with an absolute resistance of 300 ?
Which of the following is not considered a physical factor affecting resistance?
Conventional flow assumes charges flow from
Which of the following does not generally affect the value of a capacitor?
The capacitor opposes any change in voltage across it by
When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
Which of the following elements is active?
A capacitive load always has a ______ power facto
A circuit whose parameters change with voltage or current.
What is the reading of an ohmmeter for a shorted capacitor?
The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera…
Points to be considered in choosing a capacitor
What is the form factor of a triangular wave?
In a circuita a passive element is one which
For greater accuracya the value of phase angle should be determined from
The average value of a triangular or sawtooth wave is _____ times its peak value.
The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which…
The reason why electrical appliances are connected in parallel.
Which of the following is a preferred resistor value?
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