Answered: hms b. 2 ohms c. 4 ohms d. 1 ohm 3. A…

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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Question

1. A 50-ohm, a 90-ohm and an unknown value resistor are in series across a 60-V generator with 1/3A flowing through it. What is the resistance of the unknown value resistor?

a. 10 ohms

b. 30 ohms

c. 20 ohms

d. 40 ohms

2. A 6-V mobile receiver draws 36-W. It is to operate from a 12-V battery, what value resistor must be used in series with it to maintain the 36-W receiver dissipation?

a. 8 ohms

b. 2 ohms

c. 4 ohms

d. 1 ohm

3. A 40-ohm resistor and a 60-ohm resistor are in parallel. In series with them are two other resistors of 20-ohm and 30-ohm. The whole combination is connected across a 1.5-V dry cell. What is the current in the 60-ohm resistor?

a. 12.162 mA

b. 30 mA

c. 8.108 mA

d. 20.27 mA

4. A 40-ohm resistor and a 60-ohm resistor are in parallel. In series with them are two other resistors of 20-ohm and 30-ohm. The whole combination is connected across a 1.5-V dry cell. What is the current in the dry cell?

a. 8.108 mA

b. 30 mA

c. 20.27 mA

d. 12.162 mA

5. A 200 ohm resistor and a 300 ohm resistor are in parallel. In series with them is a 180 ohm resistor. The whole combination is across a 50-V generator. What current flows through the 200 ohm resistor?

a. 166.67 mA

b. 100 mA

c. 66.67 mA

d. 6.67 mA

6. A component requires 6.3-V across it with a current of 0.3 V. A second component requires 12.6-V at 0.15A. The two components are connected in series. What is the value of resistor that must be connected across the 12.6-V component to allow it to operate properly when in series with the 6.3-V component?

a. 84 ohms

b. 12 ohms

c. 24 ohms

d. 42 ohms

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