Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

series RL circuit
series RLC circuit operated above its resonant frequency
purely resistive circuit
series RC circuit
None of these

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Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
None of these
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
Hysteresis is most apparent when the core material is saturated
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet

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Electronic Principles
One henry of inductance is defined as:

the amount of counter emf required to reduce a current to 1 A
None of these
the amount of inductance required to change the frequency of a current by 1 Hz
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
the number of turns of wire in an inductor multiplied by the amount of current flowing through it

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

None of these
equal to the source voltage divided by total current
equal to the sum of the individual capacitive-reactance values
equal to the sum of the individual capacitance values
less than the capacitance value of the smallest capacitor

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