Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

1000 V and a parallel resistance of 10 kOhm
1000 V and a series resistance of 10 k Ohm
None of these
100 V and a series resistance of 10 k Ohm
100 V and a parallel resistance of 10 k Ohm

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Electronic Principles
Waveforms are graphs that show:

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

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Electronic Principles
For a pure capacitor:

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

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