A computer lab of 20 m * 10 m consists of following loads, 1.Light points 20 nos (45 W) 2.Fan points of 14 nos (60 W) 3.5 Amp socket 6 nos (100 W) 4. Computer point 50 nos (100 W) 5. AC 2.5 Ton 8 nos (5200 W) Calculate, a. Total load b. Number of sub-circuits

X- An appliance should be connected to the ground to avoid electrocution. Y- Pull away a grounded/electrocuted person by the hair or clothing. O X is true and Y is false O X is false and Y is true O X and Y are both true O X and Y are both false

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…

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