Why does a capacitor act as a short circuit at high frequencies and as an open circuit at low frequencies?

Q: A 30-μF capacitor is connected across a 60-Hz ac source whose voltage amplitude is 50 V. (a) What is…

A: Given that a capacitor has 30 micro Farad of capacitance connected across 60 Hz source whose…

Q: Brief overview of Types of Resistors, Capacitors and Inductors. Its functions and their circuit…

A: Concept used: Circuit elements such as resistor, capacitor and inductor have wide spread…

Q: What is the expression for the voltage in an AC circuit if it has a rms voltage of 120 V and a…

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Q: What is the impedance of this circuit?

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Q: What is the reactance of a 8.40 μF capacitor at a frequency of 70.0 Hz ? What is the reactance of a…

A: given data,  capacitance, C = 8.40 μF =8.40×10-6 F frequency , f = 70 Hz  angular frequency ,ω=2πf =…

Q: As XL = Xc in a series LRC resonance circuit, the impedance is_ O purely resistive O purely…

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Q: As far as power in an AC circuit is concerned, a delayed current rectified current sinusoidal…

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Q: 4. of this voltage, (b) the amplitude of this voltage, and (c) the rms value of this voltage. (d) If…

A: A graph of sinosoidal voltage variation is given in graph above  To find  RMS voltage  Frequency…

Q: In limit of extremely high frequencies, and high voltage, an inductor behaves like (select all that…

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Q: What is the function of inductance in a circuit?

A: Given- What is the function of inductance in a circuit?

Q: What is the capacitance of an oscillating LC circuit in nanofarads if the maximum charge on the…

A: Given that:Q=1.5 μCU=168 μJ

Q: The resistance in a series RCL circuit is doubled What can be said about the resonant frequency…

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Q: Two capacitors are connected in parallel across a 24-V ms, 7.5-kHz sine-wave generator, and the…

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Q: An ac circuit has a 300- resistor in series with a 10-µF capacitor and a 900- mH inductor. What is…

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Q: The graph shows the impedance as a function of frequency for a series RCL circuit. At what frequency…

A: The graph between Impedence of a series LCR circuit and frequency is as shown in the figure. The…

Q: (a) For what frequencies does a 27.0-μF capacitor have a reactance below 200 ? f ---Select--- ✓ Hz…

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Q: What is the impedance of a RLC circuit with a resistor of 120 ohms, and an inductor of 48 mH and a…

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Q: The United States and Canada use 120 V rms as the standard household voltage, while most of the rest…

A: 120 V rms as the standard household voltage Advantages- a) If a person touched a live wire so less…

Q: When a 4.0-µF capacitor is connected to a generator whose rms output is 28 V, the current in the…

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Q: The figure below shows three lamps connected to a 120-V AC (rms) household supply voltage. Lamps 1…

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Q: why does a capacitor block DC but pass AC?

A: The frequency of the direct current is zero.

Q: Could a series circuit that includes a capacitor serve the same purpose as a parallel circuit? How?…

A: Capacitor is a passive electronic component which is used to store and release electricity (…

Q: A sinusoidal voltage source has a peak voltage of 12 V and a frequency of 50 Hz.  What is the…

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Q: What is the phase difference between voltage and current in a L-C-R series circuit at resonance?

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Q: In a series RLC circuit that is operating above the resonant frequency, the current

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Q: In an AC circuit, the effective impedance of the series combination of an inductor and a capacitor:…

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Q: G5

A: Given that-Peak voltage, V=180 VoltResistance, R= 330Ω

Q: Why does the capacitor resist low-frequency signals more than high-frequency ones?

A: The capacitor reacts very differently at the two different frequencies,\ and in exactly the opposite…

Q: Why does a capacitor act as a short circuit at high frequencies?

A: A capacitor is a passive electrical component that is capable of storing energy in an electric…

Q: An electrical engineer is working with a parallel AC circuit. The circuit draws 10 ohms on a…

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