A transmission line of 50 m long as shown in the figure below has Z, 40 +j702, V - 20 20 Vm, and VL 10 4-38 Vm. If the line is matched to the load, evaluate: i) The sending end voltage Vin and current In ii) The propagation constant. VL.
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- In the bedroom of your house you would like to run a 360 W toward, a 30W alarm clock, a 720 W tanning bed, and three 60 W lights. Assuming your house is wired for 120 Volts, how much current will be pulled by these electrical devices? AmpsPART (1) Assume capacitor is fully charged when switch is at position 'a' for about 10 minutes. The switch is changed to position 'b' at t= 0. What is the current in the circuit immediately after the switch is closed? Assume after some time, the current in the circuit is 80.0 mA when the switch is at position 'b'. Can you find, what will be that time? 9.0 V 부 Paragraph a itur b 1.0 με PART (II) Assume a magnetic field of 5.2 T present inside the cyclotron. An electron enters the cyclotron with speed of 2.0 x 107 m/s. What is the radius of the electron's orbit just before they exit from the cyclotron. BI U A/ 10 Ω E✓ E GO + vFind the mean current and the RMS current from t=0.0s to t=4.0s if i= (1.0t+1.0/t)A Round to the nearest hundreth. Mean А RMS A r engineering
- 1) Determine the change in chemical energy each second required to produce this increase in electric potential energy. 2) If there are roughly 7×10^11 of these cells in the body, how much chemical energy is used in pumping sodium ions each second? 3) Estimate the fraction of a person's metabolic rate used to pump these ions. Assume the metabolic rate to be 100 W.1. b) Write down the second order ordinary differential equation that represents the electric circuit. Where R = 302, C=1/7 F, L = 4 H, and the voltage source E(t) = 110 Sin377t DO NOT SOLVE THE SYSTEM FOR CURRENT. R www C E(t) = Esin ot еееR1 R2 R3 R MW Rs In the above circuit, R1 = 10O, R2 = 402, R3 = 300, R4 = 200, Rs = 600. The battery voltage is 12V. %3D 1. The equivalent resistance of the circuit is = 2. The source current is = 3. The voltage drop across R3 is = 4.The voltage drop across R2 is = 5. The power dissipated across R1 is = 12V
- Consider the circuit shown in the figure. Initially the capacitor is uncharged. and capacitor 20 is uncharged. The resistance of the resistor is R. At time t=0 both switches S,and S2 are closed simultaneously. In terms of R, C, ɛ and E2 , a) Find the current across the capacitor just after that the switches are closed (t = 0+). %3D b) What is the final values of the charge on the capacitors? S2 Ɛ1 C E2 VVVV R RHysics 4414 G Problem #1 DUIIIIIer vveek A. A capacitor is initially charged and then connected to a light bulb as indi- cated in the diagram. On the graph below, plot the current through the bulb as a function of time. Current