Electronic Principles
Which one of the following phrases best describes residual magnetism?

None of these
The amount of magnetic flux that is not confined to the core material of an electromagnet
The force of attraction between the poles of a permanent and temporary magnetic field
The circular magnetic field that surrounds a conductor carrying a current
Magnetism that remains in the core of an electromagnet after the current through the coil is turned off

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

None of these
The total current in a parallel circuit is always less than the smallest amount of current
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The same current always flows through every part of a parallel circuit

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Electronic Principles
Current is

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

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