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

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

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Electronic Principles
Which one of the following is a direct statement of Ohm's law?

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

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