A single 2.0-μF capacitor is connected across the terminals of a 60-Hz voltage source, and a current of 2.0 mA is measured on an ac ammeter. What is the capacitive reactance of the capacitor?
Answer to relevant QuestionsWhat capacitance value would give a reactance of 100-Ω in a 60-Hz ac circuit? (a) An inductor has a reactance of 90-Ω in a 60-Hz ac circuit. What is its inductance? (b) What frequency would be required to double its reactance? A coil in a 60-Hz circuit has a resistance of and an inductance of 0.45 H. Calculate (a) The coil’s reactance and (b) The circuit’s impedance. (a) An RLC series circuit is in resonance. Which one of the following can you change without upsetting the resonance: (1) resistance, (2) capacitance, (3) inductance, or (4) frequency? (b) A resistor, an inductor, and a ...(a) In Exercises 42 and 43, determine the numerical (scalar) sum of the rms voltages across the three circuit elements and explain why it is much larger than the source voltage. (b) Determine the sum of these voltages using ...
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