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- The circuit is connected to a 60-Hz line. The apparent power in the circuit is 29.985 VA, and the power factor is 62.5%. The resistor has a voltage drop of 14.993 V, the inductor has an inductive reactance of 60 , and the capacitor has a capacitive reactance of 45 . ETITZVA29.985PF62.5%ER14.993VIRRPELILXL60VARsLLECICXC45VARsCCAssume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the inductor, EL, is 104 V, and the circuit has a total impedance, Z, of 20 . The frequency of the AC voltage is 60 Hz. ETITZ20VAPFER78VIRRPEL104VILXLVARsLLb) Find the rms current flowing in an AC capacitive circuit when a 4μF capacitor is connected across a 880V, 60Hz supply.
- Write a Matlab code to sketch using plot function, y(t)=3 sin(t) for 3 periodsA transmission line has a capacitance of 25 pF / ft. and an inductance of 0.15 µh / ft. Determine the characteristic impedance of the line.The voltage v = 119 sin(100t+50°) V is connected acroos a 8-H inductor. Determine the current in polar form. Write the magnitude only in four decimal places.
- Given the following pairs of voltages and currents, indicate whether the element involved is a capacitor, an inductor, or a resistor, and determine the values of C, L or R. (if sufficient data are given) a.) v = 550 sin(377t + 50°); i = 11 sin(377t − 40°) b.) v = 36 sin(754t − 80°); i = 4 sin(754t − 170°) c.) v = 10.5 sin(ωt − 13°); i = 1.5 sin(ωt − 13°)Given the following pairs of voltages and currents, indicate whether the element involved is a capacitor, an inductor, or a resistor, and determine the values of C, L or R where ω= 157 rad/s a. v = 2000 sin ωt ; i = 5 cos ωt b. v = 80 sin(157t + 150°); i = 2 sin( 157t + 60°) c. v = 35 sin(ωt − 20°); i = 7 cos( ?? − 110°)If a phasor representation of a current is given by I = 70.7 ∠45° A, it is equivalent to
- The voltage v = 294 sin(100t-35°) V is connected acroos a 1-µF capacitor. Determine the current in polar form. Write the angle in degrees only in four decimal places.An ac voltage source is connected across the plates of a parallel-plate capacitor so that E = 25sin(103t)az V/m. Calculate the total current crossing a 2 x 5 m area placed perpendicular to the electric field. Assume that the capacitor is air filled.An alternating current of 60 hertz changes direction 100 times per second. Select one: TRUE FALSE