Two parallel plate capacitors are filled with the same dielectric material and have the same plate area. However, the plate separation of capacitor 1 is twice that of capacitor 2. When capacitor 1 is connected across the terminals of an ac generator, the generator delivers an rms current of 0.570 A. What is the current delivered by the generator when both capacitors are connected in parallel across the terminals? Number i Units

What maximum current is delivered by an AC source with AVmax = 58.7 V and f = 72.1 Hz when connected across a 3.70-µF capacitor? Step 1 The applied AC source determines the voltage amplitude and frequency. We will compute the reactance of the capacitor at this frequency and use the definition of reactance to find the current. The impeding effect of capacitance C in an AC circuit with frequency f is called capacitive reactance. Capacitive reactance is defined by the following equation. 1 Xc = 2zfC For the maximum current I Imax Imax = = ΔV, = max Xc Substituting the expression for capacitive reactance and solving for the current gives ΔV. max Xc max = at applied voltage ΔV, AV max . (2πf) C V 2π mA. max' we have JH₂) ( Hz |x 10-6 F)

A 2.6-k resistor and a 4.0-μF capacitor are connected in series to an ac source. Part A Calculate the impedance of the circuit if the source frequency is 55 Hz. Express your answer to two significant figures and include the appropriate units. Z = Submit Part B Z = 0 Submit Value Request Answer Calculate the impedance of the circuit if the source frequency is 10000 Hz. Express your answer to two significant figures and include the appropriate units. Value Units Request Answer 2 Units ?

An AC circuit has a purely capacitive load. If the amplitude of the EMF is 10.27 V with a frequency of 193.3 Hz, the capacitance is 73.2 UF, and the driving voltage is initially zero. What is the current in the capacitor after 0.732 s? A Save for Later Submit Answer

A series RLC circuit has a 200 kHz resonance frequency. You may want to review (Pages 915 - 918). ▼ Part A What is the resonance frequency if the resistor value is doubled? Express your answer with the appropriate units. Value Submit Part B μА Submit Value Request Answer What is the resonance frequency if the capacitor value is doubled? Express your answer with the appropriate units. HÅ Units Units Request Answer ? www. ?

Please solve and answer the question correctly please. Also be sure to give the correct units. Thank you!

An engineer has a 62.0 µH inductor, a 62.0 µF capacitor, and a variable frequency AC source. Determine the source frequency (in kHz) at which the inductor and capacitor have the same reactance. kHz

The output voltage of an AC source is given by: & 170 sin(377t), where & is in volts and t in seconds. The source is connected across a series RL circuit, in which R = 200.0 2, L = 0.200 H. a. Determine the maximum voltage across the inductor. b. What average power is delivered to the circuit? c. What capacitor should be added to the circuit so that the power delivered is maximum? R L c. How long does it take the electron to make Found X

A capacitor (capacitance C₁) is connected across the terminals of an ac generator. Without changing the voltage or frequency of the generator, a second capacitor (capacitance C2) is added in series with the first one. As a result, the current delivered by the generator decreases by a factor of 5.00. Suppose the second capacitor had been added in parallel with the first one, instead of in series. By what factor would the current delivered by the generator have increased? Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise.

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