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

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

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Electronic Principles
Which one of the following statements is true for the currents in a parallel RL circuit?

The total current leads the total voltage by less than 90
The total current is equal to the sum of the currents through the resistance and inductance
The total current is less than the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit
None of these

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