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

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

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

The total voltage is equal to the sum of the individual voltages in a series circuit
The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage of a series circuit is equal to the total current divided by the total resistance
None of these
The total voltage in a series circuit is equal to the average value of the individual voltages

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