Electronic Principles
The total inductance of a series inductor circuit is:

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

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Electronic Principles
What is the primary difference between primary and secondary cell batteries?

Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
None of these
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

None of these
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge
An electron has a positive charge and a proton has a negative charge

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Electronic Principles
Which one of the following statements is true for the voltages in a series RL circuit?

None of these
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is less than the sum of the voltages across the resistance and inductance
The total voltages is equal to the sum of the voltages across the resistance and inductance
The total voltage lags the total current by less than 90

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