# Computer Science - Electronic Principles

6.
For a pure capacitor:
ac current and voltage are exactly in phase
ac current leads the voltage by 90 degree
ac current is converted to dc voltage
ac current lags the voltage by 90 degree
None of the above
Explanation:
No answer description is available. Let's discuss.

7.
The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the:
rotor
armature
battery
commutator
None of the above
Explanation:
No answer description is available. Let's discuss.

8.
In a pure inductor:
ac current leads the voltage by 90 degree
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree
ac current is converted to dc voltage
None of the above
Explanation:
No answer description is available. Let's discuss.

9.
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
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
None of the above