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

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

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

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

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

The total voltage of a parallel circuit is the same as the voltages across each branch
The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit
The total voltage in a parallel circuit is always less than the value of the smallest voltage
The total voltage in a parallel circuit is equal to the average value of the individual voltages
None of these

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Current is induced in a conductor that is moving through a magnetic field
None of these
Like magnetic poles attract; unlike poles repel
Current flowing through a conductor generates a magnetic field
Like magnetic poles repel; unlike poles attract

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