Читать книгу Electricity for the 4-H Scientist - Eric B. Wilson - Страница 2
Table of Contents
ОглавлениеWHAT TO DO: Make A Circuit Board
Basic Tools for Electrical Work
WHAT TO DO: Build a Tool Chest
Ideas for Demonstrations and Exhibits
Step No. 4—Armature Supports and Brushes
TAKING CARE OF ELECTRIC MOTORS
ELECTRIC MOTORS SERVICE CHART Sample
WHAT TO DO: Find the Cost of Operating Electrical Equipment
IRONING IS FUN WITH THE MODERN HAND IRON
WHAT TO DO: Learn About Your Iron
4-H Electric Hazard Hunt Guide
How Many Hazards Did You Find?
HOW ELECTRIC BELLS WORK—FOR YOU
Bells and Buzzers Can Tell a Lot
Why They Buzz or Ring—Electromagnetism
Install According to Your Plan
FIRST AID FOR ELECTRICAL INJURIES
Mouth-To-Mouth Rescue Breathing
What Did You Learn? True or False
Make a Simple Resistance Heater
See How They Attract and Repel
Give your appliances and lights a square meal
Count Your Electrical Blessings
Talk it Over With Your Parents