A 120-V rms voltage is applied across a 6.0-μF capacitor and a series combination of a 100-Q resistor. If the frequency of the power source is 60 Hz, what is the rms value of the current in the circuit? 0.36 A 0.26 A 0.46 A 0.76 A 0.56 A
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- The voltage with the following waveform is applied across a 5.00 micro Farad capacitor, what is the magnitude of the current on the branch of the capacitor between 6 and 8 ms? 5 v(t)(V)† 24 8 t (ms) O 20 mA O 40 mA O -20 mA O -40 mA -60 mA -80 mA O 80 mA150 0 and C = 40_µF in a (charging) RC-series circuit with a 8 V power source. What is the Suppose R maximum charge on the capacitor? What is the charge on the capacitor after 0.0011 s?, What is the charge after 2.5 time constants? %3D %3D 5. max charge A. 0.0004616 C D. 0.00032 C E. 0.0003308 C F. 0.0005613_C В. 0.0005623 C C. 0.000514 C 6. charge after 0.0011_s 0.00002812 C 0.00005323 C C. 0.00006192_C D. 0.0000536 C E. 0.00009703 C F. 0.00009941 C A. В. /-1 7. charge after 2.5 time constants A. 0.0004973 C D. 0.0001524_C 0.0002937 C C. 0.0002599_C 0.000584 C F. 0.0001862 C B. E. IZG 000 100A 10 µF capacitor discharges in an element such that its voltage is v = 2e-1000t v. Solve the value of current and maximum energy delivered by the capacitor as functions of time. Plot V and W. CLO2,PLO2 (10)
- Q1) The doubling time for a certain virus is 3 yr. How long will it take for the virus to increase to 10 times its current population level? Q2) For the circuit in the figure, the capacitance is 0.5, the resistor is linear with v-i characteristic v = 2i, and the sinusoidal voltage source is given by e(t) = 6 sin t. Find the charge on the capacitor as a function of t given that it was initially R EQ1) The doubling time for a certain virus is 3 yr. How long will it take for the virus to increase to 10 times its current population level? Q2) For the circuit in the figure, the capacitance is 0.5, the resistor is linear with v-i characteristic v = 2i, and the sinusoidal voltage source is given by e(t) = 6 sin t. Find the charge on the capacitor as a function of t given that it was initially R E CA 22-MHz clock signal is used into a 4-bit Ripple counter (Frequency division) circuit. What will be the frequency of the Q output of each stage of the counter? O a. Q1 = 22 MHz, Q2 = 11 MHz, Q3 = 5.5 MHz, Q4 = 2.75 MHz O b. Q1 = 11 MHz, Q2 = 5.5 MHz, Q3 = 2.75 MHz, Q4 = 1.375 MHz O c. Q1 = 22 MHz, Q2 = 22 MHz, Q3 = 22 MHz, Q4 = 22 MHz O d. Q1 = 11 MHz, Q2 = 11 MHz, Q3 = 11 MHz, Q4 = 11 MHz 11
- 2. The current across a 10mF capacitor is given in the figure. The initial capacitor voltage is v.(t=0)=0. a) Find the capacitor voltage as a function of time and sketch its graph. b) Assume that ve(t) is periodic, calculate the average value and the rms value of the capacitor voltage. ic (t) (mA) 5 t (s)Vin Vout 1601 ww R2 R1 VR 30100555 -9870479447 In the circuit in the figure, 160 100559 If VR=6V RI=8k and R2=4k; g160100555 - 987047944/ 087047944/ g160100555 - 987047944/ a. At what value of the input voltage does the output signal change from 047944 o87047944 60555 At what value of the input voltage does the output signal change from negative saturation to positive saturation? g160100555 - 987047944/ 047944 1-18V sources. 555 g160100555- g160100558 047944 g160100555 - 987047944 g16t 047944 positive saturation to negative saturation? 556 g160100555- 047944 p0555-A large capacitor of 3000 µF is charged by a constant current. After 1 minute it reaches a voltage of 100 V. At that voltage, the charging circuit is disconnected. a) Calculate the charging current. b) A second identical capacitor is connected across the capacitor, using wires with 1 kN re- sistance. Sketch a graph of the voltages on the two capacitors as a function of time, with appropriate numbers and units marked on the axes.
- 500 A RL 2000 400V Figure 5.2 1. For the given circuit in Figure 5.2, find the open circuit voltage VTH and the short circuit current IN across the terminal. 2. For the same circuit, find RTH by using the RTH=VTH/IN equation and find RTH with replacing voltage source with short circuit. 3. Let's assume we connect R (load resistance) to the circuit between points A and B, what should be the value of R in order to have max power transfer. Jein#1 - A capacitor has a peak current of 330 μA when the peak voltage at 250 kHz is 2.2 V. a) What is the capacitance? b) If the peak voltage is held constant, what is the peak current at 500 kHz?. Calculate current across the capacitor shown in Fig. P8.6 if the voltage input is v1(t)=30 cos (320t-50°) V . v(t) i(t) Figure P8.6 For a current i(t) = C cos(wt+P), enter the value of the phase angle (P). (be sure that your answer is between -180deg to 180deg.) Notes on entering solution: • Enter your solution in degrees Have your current in cosine format . Do not include units in your answer ex. 5° is entered as 5 C = 1 µF