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 A В V I V I V I
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Q: . (a) The peak voltage of an AC supply is 300 V. What is the rms voltage? (b) The rms value of…
A: (a) The peak voltage of an AC supply is 300 V. What is the rms voltage? (b) The rms value of current…
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A: Given:- R=151 Ω L=230 mH fd= 60.0 Hz εm=42.0 V Removing capacitor, Xc = 0
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- The I vs t graph shown below is for an LR circuit without a battery. I (A) 14/ 10.5 7. 3.5 1.5 3. 4.5 6. 7.5 t(s) Determine the time constant of the LR circuit. T = If L = 10 H, determine R. R = er resistors from highest to lowA 60.0 W light bulb is plugged into a standard wall outlet that is a source of an AC voltage: by 8 = 170.0 sin (377t), where e is in volts and t is in seconds. The resistance of the bulb and the rms current in the bulb are: O a. 241 ohms, 0.500 O b. 12.0 ohms, 6.00 A O c. 80.0 ohms, 0.352 A O d. 482 ohms, 0.352 A O e. 2.83 ohms, 6.00 A4. The voltages below are the RMS magnitudes of AC voltages. Find C1 and the RMS energy to charge C1. 20 nF + 3.9 V C1 2.68 V 36 nF
- An ac generator supplies an rms voltage of 6.50 V to an RC circuit. At a frequency of 15.3 kHz the rms current in the circuit is 43.7 mA ; at a frequency of 27.3 kHz the rms current is 50.2 mA . A.) What is the value of R in this circuit? B.) What is the value of C in this circuit?An AC voltage source, with a maximum voltage of 200 V, is connected across a 50 Ω resistor. What is the power dissipated in the resistor?The capacitor in the circuit shown is fully charged by a 24 V battery. The switch is closed at t = 0. At sometime after the switch is closed, the voltage across the capacitor is measured to be 10 V. What is the current in the circuit at this time, in Ampere? C = 3.0 µF, and R = 2.0 02. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. Cil
- 23 The shown RLC circuit with a - resistor, a 50 driven by the voltage E(t) = 0.07t² V. E In(t) 1 100 = R www C Find the general solution of the corresponding homogeneous equation (complementary solution) forI. Use A and B for the arbitrary constants. 25 Hinductor, and a F capacitor is 2226. At time r=0, the voltage across a 102 resistor connected to an AC voltage source v(t) = 6V cos(2r(50HZ)t) is 6V. What is the current through the resistor 0.1 seconds later? A. 0A %3D B. 0.1A C. 0.6A D. 1A E. 6AAn AC current with a peak value of 3.0 A passes through a light bulb A. A DC current of 3.0 A passes through an identical bulb B. Which bulb is brighter? Bulb B Bulb A O Both bulbs are equally bright.
- The AC EMF in this electric circuit is described by the following equation: E = 30Ve¹(20)t What is the average power (in W) supplied by the EMF to the electric circuit? 10 mF X 3Ω 112.43 2Ω 000 100 mHAn A.C. circuit consists of an alternating voltage source and a resistor only. In this circuit ______. the voltage is in phase with the currentthe voltage leads the current by 90° the voltage lags the current by 180° the voltage lags the current by 90° the voltage leads the current by 180°An AC voltage source, with a peak output of 200 V, is connected to a 50-W resistor. What is the rate of energy dissipated due to heat in the resistor? O 200 W 400 W 566 W 800 W