Electronic Principles
A real voltage source has

A small internal resistance
None of these
Zero internal resistance
A large internal resistance
Infinite internal resistance

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

None of these
The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the total voltage multiplied by the total resistance
The same current flows through every part of a series circuit
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in 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
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
None of these

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Electronic Principles
A low-pass filter:

passes lower-frequency signals and reduces higher-frequency signals
reduces the level of all frequencies by a significant amount
has no effect on ac signals
passes higher-frequency signals and reduces lower-frequency signals
None of these

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