Electronic Principles
What is a negative ion?

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

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Electronic Principles
What is a free electron?

An electron that has no electrical charge
An electron that has twice the amount of charge of a normal electron
None of these
An electron that has been freed from its parent atom
An electron that costs nothing

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

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

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