n an AC circuit containing only a capacitor and power source, when apacitance of the capacitor is reduced from 22 micro farad to 11 micro arad, the peak current in the circuit O quadruples compared to original remains same O becomes half compared to original becomes quarter of the original doubles compared to original
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Q: A 2.6-k resistor and a 4.0-μF capacitor are connected in series to an ac source. ▼ ▼ Part A…
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- A 180 2 resistor is connected to an AC source with & = 5.00 V. You may want to review (Pages 906 - 908). Part A What is the peak current through the resistor if the emf frequency is 100 Hz? Express your answer with the appropriate units. Tempjates Symbols undo redo feset keyboard shortcuts Help Value Units Submit Requeet Answer Part B What is the peak current through the resistor if the emf frequency is 100 kHz? Express your answer with the appropriate units. Tempjetes Symbols undo regdo feset keyboard shortcuts Help Value Units Submit Requeet AnewerAn AC voltage source is connected in turn to a resistor, a capacitor, and an inductor. Graphs A, B, and C shows the resulting currents. Which graph corresponds to the resistor, which to the capacitor, and which to the inductor? Explain.Part A The following graph shows the voltage and current through a single circuit element. What is the frequency of the ac generator? Vp = 65.0 V, Ip = 4.60 A, t₁ = 0.0816 s. Voltage Current NAN p Submit Answer Tries 0/6 Part B What is the average power dissipated in this element? Submit Answer Tries 0/6 t(s) Part C The circuit element above is either a resistor, an inductor, or a capacitor. Use the graph and what you know of circuit elements to determine what type of element is shown in the graph. If it is a resistor, what is the value of its resistance? If it is an inductor, what is its inductance? If it is a capacitor, what is its capacitance? Submit Answer Tries 0/6
- Part A A 76 N resistor and a 8.7 µF capacitor are connected in series to an ac source. Calculate the impedance of the circuit if the source frequency is 66 Hz . Express your answer using two significant figures. ? Z = Submit Request Answer Part B Calculate the impedance of the circuit if the source frequency is 6.6 MHz Express your answer using two significant figures. ? Z = Submit Request AnswerA 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 L-R-C series circuit is connected to a 120-Hz ac source that has Urms = 79.0 V. The circuit has a resistance of 79.0 2 and an impedance at this frequency of 108 2. Part A What average power is delivered to the circuit by the source? V C ΑΣΦ P 58 Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
- A capacitor is connected across an AC source. At one instant in time, the current through the capacitor is 23 mA when the voltage across the capacitor is changing at a rate of 7.2 x 104 V/s . What is the value of the capacitance?The graph shows variation in current, I ( dark line) and voltage, V (dashed green line) over time in an ac circuit. Which one is the correct phasor for the current and voltage? V 05 25 35 4.5 A В V I V I V I C more information is needed to answer this question A ВAn 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 resistor and an unknown device are connected in series with an AC generator as shown in the diagram below. The current lags behind the voltage of the generator by 69º. R www X (a) If the total impedance of the circuit is 223 , what is the value of the resistor in the circuit? Ω (b) What is the reactance of the device? ΩA 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. ?A series RCL circuit contains a 35.5-Q resistor, a 2.10-μF capacitor, and a 6.14-mH inductor. When the frequency is 2660 Hz, what is the power factor of the circuit? Number i Units