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A resistor with RRR = 300 ΩΩ and an inductor are connected in series across an ac source that has voltage amplitude 510 VV . The rate at which electrical energy is dissipated in the resistor is 276 WW . Figureof 0 |
Part A Part complete What is the impedance ZZ of the circuit? Express your answer with the appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part complete What is the amplitude of the voltage across the inductor? Express your answer to two significant figures and include the appropriate units. --
SubmitPrevious AnswersRequest Answer Part C Part complete What is the power factor? Express your answer to two significant figures and include the appropriate units. --
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A resistor with RRR = 300 ΩΩ and an inductor are connected in series across an...
A 9.8-VV battery is connected in series with a 30-mHmH inductor, a 190-ΩΩ resistor, and an open switch. A) What is the current in the circuit 0.120 msms after the switch is closed? Express your answer using two significant figures. B) How much energy is stored in the inductor at this time? Express your answer using two significant figures.
You may want to reference (Pages 291 - 293) Section 8.6 while completing this problem. Use the molar volume to calculate each of the following at STP. Part A Part complete Calculate the number of moles of CO2 in 4.10 L of CO2 gas. Express your answer to three significant figures and include the appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part complete Calculate the volume, in liters, occupied by 0.140 mol of He gas. Express your answer to...
A 0.160 H inductor is connected in series with a 91.0 Ω resistor and an ac source. The voltage across the inductor is vL=−(11.0V)sin[(472rad/s)t]. a. Derive an expression for the voltage vR across the resistor. 1).Express your answer in terms of the variables L, R, VL (amplitude of the voltage across the inductor), ω, and t .2).What is vR at 1.85 ms ? Express your answer with the appropriate units.
Review | Constants A 0.185 H inductor is connected in series with a 89 2 resistor and an ac source. The voltage across the inductor is ui= -(11.0V) sin(490rad/s)t]. Part A Derive an expression for the voltage ur across the resistor. Express your answer in terms of the variables L, R, VL (amplitude of the voltage across the inductor), w, and t. O ALQ * R 0 a ? UR = vr= Submit Previous Answers Request Answer Part B What...
A resistor with R = 350 Ω and an inductor are connected in series across an ac source that has voltage amplitude 500 V . The rate at which electrical energy is dissipated in the resistor is 306 W (a) What is the impedance Z of the circuit? (b) What is the amplitude of the voltage across the inductor? (c) What is the power factor?
An inductor is connected to a 18 kHz oscillator. The peak current is 69 mA when the rms voltage is 5.8 V . Part A What is the value of the inductance L? Express your answer to two significant figures and include the appropriate units. L L = 1.05•10−3H SubmitPrevious AnswersRequest Answer Incorrect; Try Again; 4 attempts remaining Review your calculations; you may have made a rounding error or used the wrong number of significant figures.
A skateboarder travels on a horizontal surface with an initial velocity of 4.4 m/s toward the south and a constant acceleration of 1.7 m/s2 toward the east. Let the x direction be eastward and the y direction be northward, and let the skateboarder be at the origin at t=0 . Part A Part complete What is her x position at t=0.70s ? Express your answer to two significant figures and include appropriate units. -- SubmitPrevious AnswersRequest Answer Part B Part...
A 15.0 mH inductor produces a peak voltage of 10.6 V. s connected across an AC generator that Part A What is the peak current through the inductor if the emf frequency is 100 Hz? Express your answer to two significant figures and include the appropriate units. HA Value IL = Units Request Answer Submit Part B What is the peak current through the inductor if the emf frequency is 100 kHz? Express your answer to two significant figures and...
To practice Problem-Solving Strategy 26.1 Resistors in Series and Parallel. Two bulbs are connected in parallel across a source of emf EEEMF = 12.0 VV with a negligible internal resistance. One bulb has a resistance of 3.0 ΩΩ , and the other is 3.0 ΩΩ . A resistor RRR is connected in the circuit in series with the two bulbs. What value of RRR should be chosen in order to supply each bulb with a voltage of 2.4 VV ?...
A 26 k ohm resistor is in series with a 66-mH inductor and an ac source. Calculate the impedance of the circuit if the source frequency is 85 Hz. Express your answer to two significant figures and include the appropriate units. Calculate the impedance of the circuit if the frequency is 6.4 times10^4 Hz. Express your answer to two significant figures and include the appropriate units.