PROBLEM 1: A combination of three resistors R,, R, and R3 in series is connected across a voltage source Vr. The voltage drop across R, and R3 are 10 V and 36 V, respectively. If the current supplied by the source voltage is 1.4 A and the total power supplied by the source is 70 W, Calculate the following: A. The value of Vr and the voltage drop across R2 (Ans. VT = 50 V, V2 = 4 V) B. The equivalent resistance across the voltage source, and the values of R,, R2 and R3 (Ans. Reg = 35.7143 N, R1 = 7.1429 N, R2 = 2. 8571 N, R3 = 25. 7143 N) C. The power dissipated by each resistor (Ans. P, = = 50.4 w) %3D %3| %3D 14 W, P2 = 5. 6 W, P3 %3D %3D %3D

PROBLEM 1: A combination of three resistors R,, R, and R3 in series is connected across a voltage source Vr. The voltage drop across R, and R3 are 10 V and 36 V, respectively. If the current supplied by the source voltage is 1.4 A and the total power supplied by the source is 70 W, Calculate the following: A. The value of Vr and the voltage drop across R2 (Ans. VT = 50 V, V2 = 4 V) B. The equivalent resistance across the voltage source, and the values of R,, R2 and R3 (Ans. Reg = 35.7143 N, R1 = 7.1429 N, R2 = 2. 8571 N, R3 = 25. 7143 N) C. The power dissipated by each resistor (Ans. P, = = 50.4 w) %3D %3| %3D 14 W, P2 = 5. 6 W, P3 %3D %3D %3D

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 64PQ: Ralph has three resistors, R1, R2, and R3, connected in series. When connected to an ideal emf...

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