Answered: Bulb Battery Wire

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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ADVANCED PHYSICS (THUMBS UP WILL BE GIVEN. PLEASE CHOOSE THE CORRECT ANSWER. NO LONG EXPLANATION NEEDED.)

Consider the circuit shown below. The cross-sectional areas of the battery, the wire, and the bulb filament are 10.0 cm², 5.00 mm² and 0.200 mm² respectively. Which of the following statements is/are TRUE?

I. The current density in the battery is greater than that in the bulb filament.
II. The current densities in the battery, in the wire, and in the bulb filament are equal.
III. The currents in the battery, in the wire, and in the bulb filament are equal.

choices:

a. I and III only

b. II only

c. II and III only

d. I only

e. III only

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