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

The total voltage leads the total current by less than 90 degree
None of these
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
The total voltage is equal to the sum of the voltages across the resistance and capacitance

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

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

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Electronic Principles
What is a free electron?

None of these
An electron that costs nothing
An electron that has been freed from its parent atom
An electron that has no electrical charge
An electron that has twice the amount of charge of a normal electron

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