Electronic Principles
A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?

15 V
16 V
None of these
8 V
7.5 V

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

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
less than the value of the smallest inductor
None of these

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Electronic Principles
What is a negative ion?

An atom that contains more protons than neutrons
An atom that contains more protons than electrons
An atom that contains more electrons than neutrons
None of these
An atom that contains more electrons than protons

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Electronic Principles
Current is

The number of free electrons in an atom
The force that causes electrons to flow
The flow of charged particles through a material
None of these
An imbalance of electrical charges

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