Electricity for the 4-H Scientist. Eric B. Wilson

      Published by Good Press, 2019

       [email protected]

      EAN 4057664563026

      Table of Contents

       LESSON NO. B-1

       Electrical Conductors

       Electrical Insulators

       Play It Safe

       Electrical Terms

       WHAT TO DO: Make A Circuit Board

       Parallel Wiring

       Series Wiring

       SUGGESTED DEMONSTRATIONS

       Water And Electricity

       For More Information

       What Did You Learn?

       LESSON NO. B-2

       TOOLS FOR ELECTRICIANS

       Basic Tools for Electrical Work

       WHAT TO DO: Build a Tool Chest

       Demonstrations You Can Give

       For Further Information

       LESSON NO. B-3

       What's In A Lamp?

       WHAT TO DO—Rewire A Lamp

       How To Do It

       What Did You Learn?

       SUGGESTED DEMONSTRATIONS

       For More Information

       LESSON NO. B-4

       MAKE A TROUBLE LIGHT.

       What Size Cord?

       Cord, Plug and Guard

       How to Make the Trouble Light

       What Did You Learn?

       Ideas for Demonstrations and Exhibits

       For More Information

       LESSON NO. B-5

       WHAT MAKES MOTORS RUN

       Motors Are Magnets

       We Can Improve It

       We Need An Electromagnet

       Switching Poles Automatically

       Increasing Efficiency

       WHAT TO DO: Make A Motor

       Step No. 1-Armature

       Step No. 2-Commutator

       Step No. 3-Field

       Step No. 4—Armature Supports and Brushes

       Demonstrations You Can Give

       For Further Information

       LESSON NO. B-6

       TAKING CARE OF ELECTRIC MOTORS

       You'll Need

       WHAT TO DO

       What Did You Learn?

       Demonstrations You Can Give

       For Further Information