Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

The total current in a parallel circuit is less than the value of the smallest current
None of these
The algebraic sum of currents in a loop is equal to zero
The algebraic sum of currents entering and leaving a point is equal to zero
The current through a resistance is proportional to the value of resistance and the IR drop across it

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Electronic Principles
Which one of the following phrasers best describes flux density?

The opposition to a build-up of magnetic fields
None of these
The force that maintains lines of force
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force

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