Electronic Principles
At cut off, the Q point is at

None of these
infinity
upper end of the load line
middle of the load line
lower end of the load line

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

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

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Electronic Principles
Waveforms are graphs that show:

the passage of time on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and frequency on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and the passage of time on the horizontal axis
None of these

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