In adding or subtracting phasor quantitiesa ___ form is the most convenient.
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The resistance of an insulator ___ when its temperature is increased.
An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
When two complex conjugates are subtracteda the result is a
What is the resonant frequency of a circuit when L of 25 microhenrys and C of 10 picofarads are in parallel?
The value of temperature coefficient ( ) is dependent upon
What is the total effective capacitance of two 0.25 F capacitors connected in series?
Which of the statements below is not true?
An open resistor when checked with an ohmmeter reads
Points to be considered in choosing a capacitor
A series RL circuit has R of 10 and XL of 5 a its impedance in rectangular form is given by
Which statement is true about a passive circuit?
If a coil has a Q of 10a it means that
Which of the following dielectric materials makes the highest-capacitance capacitor?
The ratio of W/VA in an ac circuit means
A capacitance of 0.05 F equals
When current and voltage arte in phase in an ac circuita the ___ is equal to zero.
Inductive reactance applies only to sine waves because it
The power factor of a circuit is equal to
For parallel capacitorsa total charge is
When the temperature of copper wire is increased its resistance is
Which of the following does not affect resistance?
Barium-strontium titanite dielectric material is also called
A capacitor is used to
What is the reading of an ohmmeter for a shorted capacitor?
When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
Delta to wye or wye to delta transformation technique is applied to a ___ network.
A factor that states how much the resistance changes for a change in temperature?
The impedance in the study of electronics is represented by resistan
An intermittent and non-symmetrical alternating current like that obtained from the secondary winding…
The temperature-resistance coefficient of pure gold is
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