Voltage Current time An AC voltage source has an output of v = (170 V) sin 2tft and connected to a 110 N resistor as shown in the figure. Therefore, the approximate value for the rms voltage and rms current through the resistor would be O 120 V, 1.09 A O 120 V, 1.55 A O 210 V, 1.90 A O None of the choices mentioned here
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- Group Work Certain heavy industrial equipment uses AC power that has a peak voltage of 679 V. What is the rms voltage? A certain circuit breaker trips when the rms current is 15.0 A. What is the corresponding peak current?The following table gives the reactance and rms voltage across the elements of a series RCL circuit: Circuit element Reactance Voltage across element resistor 2.00 x 1020 86 V capacitor 6.63 x 102 Q 285 V inductor 3.77 x 1020 162 V What is the power factor for this circuit? O 0.81 O 5.5. O 0.40 O 1.4 O 0.57The figure shows the voltage across, and the current through, a resistor that is connected to an AC voltage source. (a) Find the resistance and the average power dissipated by the resistor. (b) How many times per second does the power dissipated by the resistor reach its maximum value? (c) Draw a graph of the power dissipated by the resistor versus time, and a graph of the power dissipated by the resistor versus voltage across the resistor..
- The AC EMF in this electric circuit is described by the following equation: E = 15Ve(20)t What is the average power (in W) supplied by the EMF? 10 mF M 252 252 000 100 mHA series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 142 and L = 5.4 mH, find the frequency at which the current is one-half its value at zero frequency. Note: The ac current and voltage are rms values and power is an average value unless indicated otherwise. Number i eTextbook and Media UnitsAn 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