Electronic Principles
Which one of the following statements applies to common auto batteries?

None of these
Auto batteries are primary wet-cell batteries
Auto batteries are secondary dry-cell batteries
Auto batteries are secondary wet-cell batteries
Auto batteries are primary dry-cell batteries

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

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

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Electronic Principles
Which one of the following phrases most accurately describes a purely inductive circuit?

None of these
Resistances provide the only opposition to current flow
Combinations of resistance and inductive reactance provide any opposition to current flow
Inductive reactance provides the only opposition to current flow
The ac voltage lags the current by 90 degree

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