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- draw the solution uc (t) of the RC when RC =t=1 and the input u(t) is a unit step HE diferencial para este caConsider a 3.8-kW PV array with the following characteristics: Maximum power drops 0.496 per °C NOCT - 35 °C and Tamb- 25 °C 3% array loss due to mismatched modules, Dirt loss is 3%, The inverter has an efficiency of 80%. Calculate the DC power Pdc at (PTC) Select one: O a. None of the Answers O b. Pdc 4177.5 W Oc. Pdc -3157.5 W O d. Pdc 3987.5 W Oe. Pdc - 3852.5 WHow much kWh of energy does a 550-W toaster use in the morning if it is in operation for a total of 7.0 min? Express your answer to two significant figures and include the appropriate units. Energy = At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week (16 times per month). Express your answer using two significant figures. Cost =
- In an RC series, we want to measure a voltage that displays the behavior of the current in the circuit. How must the resistor and capacitor be connected to the signal generator and how must the oscilloscope be connected? Write a short essay answering these questions. Then explain why the circuit must be arranged this wayExplain why the time constant for an RC circuit increases with R and with C. (The answer “That’s what the formula says” is not sufficient.)Calculate the Voltage across the capacitor at time constant 1+(Tau) for the following RC Circuit. Assume switch is closed and capacitor is in a charge state. t=0 LE =10 V Vc(t) = Vo(1 - e-t/t) of R1 1kQ C1 1uF
- 72. A simplified model of an axon based on a simple RC circuit is shown below. Consider an incremental length of 5 x 10-10 m non-myelinated segment of an axon whose properties are listed in the table below. A potential of 80 mV is maintained at point a. a. How many discrete segments make up a distance of 0.01 mm? b. What is the voltage at a point 0.01 mm away from a? a | R. Rm RT R Values Property Axon Radius 5 x 10mA cook plugs a 1000 W crockpot and a 400 W kettle into a 240 V power supply, all operating on directc When we compare the two, we find that Select one: a. Icrockpot > Ikettle and Rcrockpot = Rkettle. b. Icrockpot Rkettle. c. Icrockpot > Ikettle and Rcrockpot < Rkettle. d. Icrockpot = Ikettle and Rcrockpot = Rkettle.
- Q3 A common emitter BJT circuit is designed as shown in Fig. 4(a). The output load line and defined Q-point of the circuit are shown in Fig. Determine the required values of Vcc, Rc and RB. Assume that VBE .(on)=0.7 V + Vcc 12 'c(mA) 10 RC 8. -I83 30 µA Q-point RB + 6. Ig2 20 µA IB1 10 µA VCE ww 4 VBE VBB = 10 V VCE (V) 10 15 20 258 T. E A hollow cylindrical pipe is made from material 1 listed in the table below. The pipe is 3.5 m long, has an outside diameter of 3.7 cm, and an inside diameter of 2.5 cm. Calculate the pipe's weight in Ibs. (1 lb = 4.4482 N) Density Material (kg/m³) 1 Copper 8.9 x 103 2 Iron 7.8 x 103 3 Lead 11.3x 103 rch 直。 SNSV f5 f8 f12 64 OL 图 E3 因/0 24 4 3. 5. 9. 7. F H. K.A) How many kW of energy does a 650-W toaster use in the morning if it is in operation for a total of 7.0 min ? At a cost of 9.0 cents/kWh, estimate how much this would add to your monthly electric energy bill if you made toast four mornings per week (16 times per month). Express your answer to two significant figures and include the appropriate units.
