(a) Find the value of the variable resistor, Ro, that will result in the maximum power dissipation in the 62 resistor in the circuit shown below. (b) What is the maximum power that can be delivered to the 62 resistor? Hint: Don't be too hasty here. Think the problem through before answering. 45 V Ro www 602
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- Consider a PV Module with 24 solar PV cells with the Size of each 15cm x 10cm are connected in series. Choose the correct statement for the above. (Assume necessary data) a. The output voltage is 12 V, the output power is 540W b. The output voltage is 12 V, the output power is 54W c. The output voltage is 12 V, the output power is 5.4W d. The output voltage is 24 V, the output power is 2.25WWhich one or ones of the following statements about Kirchhoff's rules are correct? I) The junction rule is based on the law of conservation of energy. II) The loop rule is based on the law of conservation of energy. III) The number of required equations to find the unknown currents has to be as many as the number of all possible loops. O A) Il and II B) II O C) I and II O D) II O E) IQ11. What is LED? Plz Write like a summary
- X & DA G F2 a) For a DC Power Supply, having a voltage of 50 V, design circuits which can give the following output voltages: i) 10 Volts ii) 25 Volts iii) 45 Volts Draw the labelled circuit diagram for each output voltage value and show calculations for all. Use R1 = 4.7 kQ for one of the resistance Hint: Use voltage divider circuits, you can use any value of resistances you like. Local backup on b) Calculate the Total equivalent resistance (RT) for the circuit shown in figure 4 and draw the equivalent circuit replacing the whole network with just one Resistance (RT): 80 F3 R1 ww 1 4.1kΩ R3 2 www R2 dan 2.00ΜΩ 10092 R7 1 MQ Q F4 V1 5V 4 First Line Indent: 0 U F5 Figure 4 F6 3 R4 33092 R6 www 59092 5 F7 Exit R5 470 kQ DII F8 H 00 F9 HHow to solve this exampleNow we will use this knowledge of the code structure to make an LED Blink! Refer to Task 2 (page 7) steps, schematic and code. Use a 470 22 resistor. Keep in mind that the LED's Cathode is connected to the short leg and the flat side. In this circuit the Cathode is connected to the ground. It could also be connected to +5V although this will result in inverted logic. Anode Cathode Anode (long lead) Cathode (short lead.) flat side or spot Figure 1: LED polarity, credit: (https://rctrains.co.uk/LEDs.htm) Calculate the smallest resistor value assuming a Red LED is used with a forward voltage of 1.8V. These are very conservative numbers so verify that the 470 2 resistor is larger than the calculated minimum. use Arduino write code
- Answer the follwing. Modified true or false. Write True if the statement is true. If not, write false and change the underlined word/s to make the statement true. If you multiply current and voltage, the answer will be in units of resistance. Superconductors completely lose their electrical resistance at low finite temperatures. A fuse or a circuit breaker is always connected in series with the device the it protects. When two cells are connected in a series, the positive terminal of a cell is connected to the negative terminal of the other cell.In step 2 you measured the voltage across each of the LEDs. This is their “forward voltage” that is referred to in the LED component page, which is the voltage required to light the LEDs. Notice that the combined forward voltage of D1 and D2 is greater than 3.3V, the LEDs will not light up at all. You should also have noticed that the forward voltage for one of the LEDS is lower than the forward voltage for the other LED. Some LEDS require less energy to light than others. Since D1 and D2 are in series, the same current will flow through each, but the different voltages across each LED reflect the different energy requirements. Finish each statement below, bears on this information and in the measurements you took in step 2 The measured forward voltage across D1 in this step is ________ The measured forward voltage across D2 in this step is ________An AC ammeter is connected in series with the primary winding of T1. What is the expected current reading? An AC ammeter is connected in series with the secondary winding of T1. What is the expected current reading? An AC ammeter is connected in series with R1. What is the expected current reading? NOTE: Idc for HW rectifier = 0.318 * Ipeak = 0.45 * Irms Describe/Explain briefly the purpose/use of the array (series-parallel) connection of the rectifier diodes in the given circuit.
- multirange ammeter was designed using direct method to give three scales with Rsh1= 0.001285989 0, Rsh2=0.000562552 0, and Rsh3=0.000100001 Q. The d'Arsonval meter has Rm=6 Q and full scale current of 1.5 mA. Find the ranges.? 8 (Ctrl) -Question 11 Not yet answered Marked out of 1.50 P Rlag question 11. Consider a PV Module with 4 solar PV cells with the Size of each 10cm x 10cm are connected in Parallel. Choose the correct statement for the above PV Module. (Assume necessary data) a. The output voltage is 2 V, the output power is 12W b.The output voltage is 0.5 V the output poweris 1W EThe outout voltageis 12V, the output power is CW 4:Theoutbutvotages.0 he outpu Question 12 HarqueseionQuestion 5 a) For a DC Power Supply, having a voltage of 50 V, design circuits which can give the following output voltages: i) 10 Volts ii) 25 Volts iii) 45 Volts Draw the labelled circuit diagram for each output voltage value and show calculations for all. Use R1 = 4.7 kQ for one of the resistance Hint: Use voltage divider circuits, you can use any value of resistances you like.