Find the voltages. VcVBn==VcnVAB =VBC =VCA=Van=1200/10Vab = 1200/10VBVeV8+VAB =VBC =VCA=

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Answered: Vc VBn = = Vcn VAB = VBC = VCA =…

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter25: Television, Telephone, And Low-voltage Signal Systems

Section25.2: Telephone System

Problem 2R: At what height are the telephone outlets in this residence mounted? Give measurement to center....

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Determine the approximate value of VGG of Figure 52. VDD T15V 1.5kQ Q1 V, = 9.5V Ios= 8mA V. = - 4.5V 1MQ DSS EVGG Figure 52. -1.2 V -3.281 V 1.453 V -7.547 V
At what height are the telephone outlets in this residence mounted? Give measurement to center. _____
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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Determine the approximate value of VGG of Figure 522. VDD T17V 21.8kQ V, = 9.8V %3D Q1 1MQ pss 9mA DSS V. V =-4.5V EVGG Figure 522. O-1.2 V -3.281 V O 1.453 V -1.5 V
c) DEFINE THE DUTIES OF RB1 AND RB2 RESISTORS.
DETERMINE (a) IDQ and VDSQ (b) VDS and VS ROUND OFF ANSWERS TO FOUR DECIMAL PLACES
7. Determine n and VG for a PUT with VBB = 20 V and RB1 = 3RB2.
Find the value of IC given that VC = 12 V. Express your answer in kohms. %3D VCC 18V ER1 <4.7kO 5.6k0 31.2ko

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Vc VBn = = Vcn VAB = VBC = VCA = Van=1200/10 Vab = 1200/10 VB Ve V8 + VAB = VBC = VCA =