Electronic Principles
What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W?

3890 Ohm
692.2 Ohm
844.5 Ohm
1234 Ohm
None of these

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

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

None of these
Hysteresis is most apparent when the core material is saturated
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 a steady amount of current is lowing through the coil of an electromagnet

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The sum of the current is always less than the applied current
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
None of these
All of these
The current waveform for each component always has the same amplitude and phase as the applied current

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