Electronic Principles
What form of energy is used to maintain an imbalance of charges between the terminals of a battery?

Electronical energy
Solar energy
None of these
Mechanical energy
Chemical energy

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Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

The current waveform for each component always has the same amplitude and phase as the applied current
None of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
All of these
The sum of the current is always less than the applied current

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Electronic Principles
For a pure capacitor:

None of these
ac current is converted to dc voltage
ac current leads the voltage by 90 degree
ac current lags the voltage by 90 degree
ac current and voltage are exactly in phase

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The sum of the current is always less than the applied current
All of these
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
None of these
The current waveform for each component always has the same amplitude and phase as the applied current

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