Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Question

Can you please do (c)  Calculate the total power consumption of your circuit.

I attached a photo of the circuit ect 

Q6. You want to use your webcam to take some photographs, but you find that the light level is too low. To increase the light intensity you decide to place eight white light emitting diodes around the webcam. You have a 9V DC source to power the LEDS as well as a full E12 series of resistors. According to the LED data sheet you can expect a forward voltage drop of 3.1 V across these diodes and the current should not exceed 30 mA. You have also found that a current of 20 mA through a diode is ideal to provide the desired light intensity. For this question show all your calculations (a) Sketch the circuit that you will construct. R WR 3R 3R (b) Calculate the value(s) of any resistor(s) you may use in your circuit. diodes have a fovard voltage drop of 3.lv eah Jo the act as q 6.2v voltege rource, ' the equivalat reistance is R= tuo in series 30 Rey = R/ kequirlat circu} we get 4I=9-6.2 3- १. 5o I= +6.2v The Current range is 2.8 20MA to 30MA or 9B:205 ē 30 t the resistar are given as a fell Ei2 series of ressrr then we can Use 822 or a 562 resistor
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Transcribed Image Text:Q6. You want to use your webcam to take some photographs, but you find that the light level is too low. To increase the light intensity you decide to place eight white light emitting diodes around the webcam. You have a 9V DC source to power the LEDS as well as a full E12 series of resistors. According to the LED data sheet you can expect a forward voltage drop of 3.1 V across these diodes and the current should not exceed 30 mA. You have also found that a current of 20 mA through a diode is ideal to provide the desired light intensity. For this question show all your calculations (a) Sketch the circuit that you will construct. R WR 3R 3R (b) Calculate the value(s) of any resistor(s) you may use in your circuit. diodes have a fovard voltage drop of 3.lv eah Jo the act as q 6.2v voltege rource, ' the equivalat reistance is R= tuo in series 30 Rey = R/ kequirlat circu} we get 4I=9-6.2 3- १. 5o I= +6.2v The Current range is 2.8 20MA to 30MA or 9B:205 ē 30 t the resistar are given as a fell Ei2 series of ressrr then we can Use 822 or a 562 resistor
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