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A computer-controlled charging system is undercharging. A lab scope connected to the ground side of the alternator field indicates a 90 percent duty-cycle. Technician A says the alternator may need to be replaced. Technician B says the on-board computer may need to be replaced. Who is correct?
Total Impedance
The overall resistance to the flow of alternating current in a circuit, combining the effects of resistance, inductive reactance, and capacitive reactance.
Capacitive Reactances
The resistance a capacitor offers to alternating current, depending on the frequency of the current and the capacitance.
Series RC
A circuit configuration where a resistor and a capacitor are connected sequentially in a single path for current to flow.
Capacitive Circuit
A type of electrical circuit that primarily contains capacitors among other components, which stores and releases electrical energy.
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