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

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

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

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

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