Electronic Principles
What is a negative ion?

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

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

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

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
None of these
cuts the current through the inductors one-half
doubles the amount of current through the inductors
has no effect on the current through the inductors

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