Presents 24 tables showing the diversity of the economies in 24 countries. Included are data on area, population, unemployment rate, civilian employment, expenditures on research and development, currency, imports, exports, infant mortality, public expenditures on education 1983 (as percent of the gross national product), energy consumption, and…

Lists Organization for Economic Co-operation and Development (OECD) member countries with corresponding data on: area; agricultural area; population; labor force; unemployment rate; civilian employment; gross domestic produce; currency; imports; exports; consumer prices; industrial production change for 1983; infant mortality; public expenditure…

In this work, the authors present a commonly used example in electrostatics that could be solved exactly in a conventional manner, yet expressed in a compact form, and simultaneously work out special cases using the method of images. Then, by plotting the potentials and electric fields obtained from these two methods, the authors demonstrate that…

Presents statistics showing the diversity of economics in 24 countries. Tables include information on: agricultural area; population; labor force (percent females); agricultural/industry/services employment; gross domestic product; government expenditure and revenue; trade balance, imports/exports; consumer prices; infant mortality; animal…

The aim of this study was to detect primary students' conceptions about the origin and conveyance of electric current and about the connection of household electric appliances. In total, 383 students (aged 11-12) from the town of Volos, Greece, participated; 213 of them drawn from experimental classes and 170 from control groups. The results…