Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Lead-acid battery
Nicad battery
Mercury-cell battery
None of these
Zinc-carbon battery

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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 current through a resistance is proportional to the value of resistance and the IR drop across it
The algebraic sum of currents entering and leaving a point is equal to zero
The algebraic sum of currents in a loop is equal to zero

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