Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The algebraic sum of voltages entering and leaving a point is equal to zero
None of these
The total voltage in a parallel circuit is less than the value of the smallest voltage
The algebraic sum of voltages in a loop is equal to zero

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Electronic Principles
The total capacitance of a series capacitor circuit is:

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

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

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