A combination of three resistors R1,R2 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. V, = 50 V, V, = 4 V) B. The equivalent resistance across the voltage source, and the values of R1, R2 and R3 (Ans. Reg = 35.7143 N, R, = 7.1429 N, R2 = 2.8571 N, R3 = 25.7143 N) C. The power dissipated by each resistor |(Ans. P, = 14 W, P2 = 5.6 W, P3 = 50.4 W)

A combination of three resistors R1,R2 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. V, = 50 V, V, = 4 V) B. The equivalent resistance across the voltage source, and the values of R1, R2 and R3 (Ans. Reg = 35.7143 N, R, = 7.1429 N, R2 = 2.8571 N, R3 = 25.7143 N) C. The power dissipated by each resistor |(Ans. P, = 14 W, P2 = 5.6 W, P3 = 50.4 W)

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 55P: A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any...

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