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- 3. The current through a 0.5 µF capacitor is given. What is the sinusoidal expression for the voltage? a. 0.20 sin 300t b. 8 x 10-3 sin 377t c. 60 x 10-3 cos 754t d. 0.08 sin(1600t - 80°)arrow_forwardThe current through a 20 2 inductive reactance is given. What is the sinusoidal expression for the voltage? Sketch the u and i sinusoidal waveforms on the same axis. a. i = 25 x 10-³ sin 2001 b. i = 40 x 10-³ sin(wt + 60°) c. i = = -6 sin(wt - 30°) Sarrow_forwardFind the RMS value of the waveform depicted below. Given A = 5, a = 2, b = 6, and T = 13 Hint: You will probably want to express the waveform as a piecewise function. A www a+b T 2T t=a t=b 0 tarrow_forward
- The summation of continuous- time sinusoids is Select one: a. Periodic under certain conditions O b. Always periodic O c. Never periodic O d. Periodic only if all the sinusoids are identical in frequency and phasearrow_forwardAn electrical circuit with a sinusoidal voltage source, a resistor, and a capacitor all connected in series. The voltage across the capacitor: Select one: a. Leads the current in the capacitor by exactly 90o b. Is in phase with the sinusoidal voltage source c. Is in phase with the voltage across the resistor d. Leads the current in the circuit by 90o e. Lags the current in the circuit by 90oarrow_forwardI) Convert the following phasors to the time domain if the frequency is I KHz. . h-3 A a) k- 12 /40 b)arrow_forward
- The voltage and current of an element are i(t) = 3.cos(1000t + 10°) V(t) = 6.cos(1000t – 80°) The element is Select one: a. resistor and capacitor (R and C) b. resistor R c. Inductor L d. Capacitor Carrow_forwardIn a clean sheet of paper. Answer the following and upload your answers here. Please be sure that all answers were rounded off into two decimal places. All answers must be boxed as well, otherwise will be marked incorrect. Express these sinusoids as phasors" 1. v 7 cos (2t+40) 2. i 4 sin(10t + 10) Given the sinusoid, calculate its amplitude, phase. angluar frequency, period and frequency. 3.5 sin (4t-60°)arrow_forwardA 40 kHz sinusoidal voltage has zero phase angle and a maximum amplitude of 25 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady-state current has a maximum amplitude of 628.32 μA. Part A What is the frequency of the current in radians per second? Express your answer in radians per second to three significant figures. Submit Part B 0₁ = VAΣ vec Submit VI What is the phase angle of the current? Express your answer in degrees to three significant figures. Request Answer VAΣ vec Request Answer ? ? rad/sarrow_forward
- 1.The voltage across a 10Q resistor is: v(t) = 50 sin 100t. a. Find the sinusoidal expression for the current, i(t) through the resistor. b. Sketch v(t) and i(t) sinusoidal waveforms on the same axis.arrow_forward1. 17. The voltage across a 1 μF capacitor is given. What is the ob sinusoidal expression for the current? a. 30 sin 200t b. 60 x 10-3 sin 377tarrow_forward?What is the frequency of the following sinusoidal voltage signal v(t) = 134 cos (224t + 78° ) V .Write your answer in Hzarrow_forward
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