Exercise 2: Contextual reference Which do the pronouns in italics in these sentences refer to? 1. All material can be classified into three groups according to how readily they permit an electric current to flow a) Three groups. b) All materials. c) Free electrons. 2. Under certain conditions, they allow a current to flow easily but under others they behave as insulators a) Conductors. b) Semiconductors. c) Insulators. 3. These are known as thermistors, a) Metallic oxides. b) Semiconductors. c) Mixtures of certain metallic oxides.

Exercise 2: Contextual reference Which do the pronouns in italics in these sentences refer to? 1. All material can be classified into three groups according to how readily they permit an electric current to flow a) Three groups. b) All materials. c) Free electrons. 2. Under certain conditions, they allow a current to flow easily but under others they behave as insulators a) Conductors. b) Semiconductors. c) Insulators. 3. These are known as thermistors, a) Metallic oxides. b) Semiconductors. c) Mixtures of certain metallic oxides.

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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