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

Capacitive reactance provides the only opposition to current flow
The ac voltage leads the current by 90 degree
Resistances provide the only opposition to current flow
None of these
Combinations of resistance and capacitive reactance provide any opposition to current flow

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

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
The current waveform for each component always has the same amplitude and phase as the applied current
None of these

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

None of these
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
The total voltage of a parallel circuit is the same as the voltages across each branch

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Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

The algebraic sum of currents entering and leaving a point is equal to zero
The total current in a parallel circuit is less than the value of the smallest current
None of these
The current through a resistance is proportional to the value of resistance and the IR drop across it
The algebraic sum of currents in a loop is equal to zero

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