Electronic Principles
The direction of conventional current flow is:

from positive to negative
from neutral to positive
None of these
from left to right
from negative to positive

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
None of these
The actual frequency of a sine waveform is 1.41 times the working frequency
The longer the period of a waveform, the lower its frequency
The higher the amplitude of a waveform, the higher its frequency

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

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

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Electronic Principles
Which one of the following statements is true for the impedance of a series RC circuit?

The impedance is less than the sum of the resistance and capacitive reactance
None of these
The impedance is greater than the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
The impedance is equal to the sum of the resistance and capacitive reactance

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