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

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

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Electronic Principles
The total inductive reactance of a parallel inductor circuit is:

equal to the sum of the individual inductance values
equal to the source voltage divided by total current
equal to the sum of the individual inductive-reactance values
None of these
less than the inductance value of the smallest inductor

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

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

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

None of these
The total resistance of a parallel circuit is less than the value of the smallest resistance
The algebraic sum of voltages in a loop is equal to zero
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 currents entering and leaving a point is equal to zero

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