(ii) Vs Vs=24V R₁ R₂ R3 R₁=70Q R₂ = 120 Q Figure 1.1 R3 = 40 Ω For the circuit shown in Figure 1.1, calculate (a) the effective resistance across the source (b) the source current (c) the voltage across R₁ (d) the current in R₂

Vdc0 U=12 V Circuit #1 Ried V LED www Ried_series 0.05 Vdc0 U = 12 V 0,04 Circuit 0.03 0.02 0.01 RED LED GREEN LE Set current to 10 mA LED voltages Given the circuit #1 presented above, answer the following questions: BLUE_LEC Red 0.5 1) Determine the value of the V₁ (voltage forward of the LED) for the LEDS RED, VDRED GREEN, VREEN and BLUE, VOBLUES when the current through the LEDs is 10mA, 2) Is the LED in Circuit #1, connected in the way that will be lighting up or not - Justify your answer Green 3) Calculate the value of the resistance Rled in Circuit #1, to ensure that a RED LED will have a current of 10 mA 1.5 2 25 Voltage across LED (V) 4) Calculate the value of the resistance Rled in Circuit #1, to ensure that a GREEN LED will have a current of 10 mA Blue 5) Calculate the value of the resistance Rled in Circuit #1, to ensure that a Blue LED will have a current of 10 mA 6) Given three LEDs, connected in series as shown in the Circui # 2 (below), calculate the value of the…

Why electrons are more mobile than the holes? Please explain

Question 1a Which is necessary for electrons to flow from the negatively charged portion of the solar panel to the positively charged portion of the panel? Pick one answer and explain why. A) permit B) circuit C) diode D) charge controller   Question 1b. Which of the following is not a factor that affects how much power a solar panel will produce? Pick one answer and explain. A) the size of the panel B) the reflective coating on the panel C) the air temperature D) the relative humidity   Question 1c. Which of the following is the rating on a solar panel that indicates the theoretical maximum voltage a panel can produce when measured under standard test conditions? Pick one answer and explain why. A) maximum power (Pmax) B) maximum power voltage (Vmp) C) open circuit voltage (Voc) D) short circuit voltage (Isc)