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1. A resistance R is connected in series with a parallel circuit comprising two resistors of 12 ohms and 8 ohms respectively. The total power dissipated in the circuit is 70 W when the applied voltage is 22 volts. Calculate the value of R.

1. A resistance R is connected in series with a parallel circuit comprising two resistors of 12 ohms and 8 ohms respectively. The total power dissipated in the circuit is 70 W when the applied voltage is 22 volts. Calculate the value of R.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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1. A resistance R is connected in series with a parallel circuit comprising two resistors of 12 ohms and 8 ohms respectively. The total power dissipated in the circuit is 70 W when the applied voltage is 22 volts. Calculate the value of R. 2. Two resistors R1 and R2 of 12 ohms and 6 ohms are connected in parallel and this combination is connected in series with a 6.25 ohms resistance R3 and a battery which has an internal resistance (in series with the battery e.m.f.) of 0.25 ohms. Determine the e.m.f. of the battery.
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