Chat with AIExam 21: Capacitance in Alternating Current Circuits
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Exam 21: Capacitance in Alternating Current Circuits24 Questions
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Three capacitors, a 12 μF, a 20 μF, and a 30 μF, are connected in parallel to a 400 Hz source. What is the total XC?
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(31) Two capacitors, a 20 μF and a 30 μF, are connected in series to a 400 Hz source. What is the total capacitive reactance?
(Multiple Choice)
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(33) When the voltage and current have polarities in a pure capacitive circuit, the capacitor is discharging and the energy is returned to the circuit.
(Multiple Choice)
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(37) Three capacitors, a 12 μF, a 20 μF, and a 30 μF, are connected in series to a 400 Hz source. What is the total XC?
(Multiple Choice)
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