An AC adapter, AC/DC adapter, or AC/DC converter is a type of external power supply, often enclosed in a case similar to an AC plug.Other common names include plug pack, plug-in adapter, adapter block, domestic mains adapter, line power adapter, wall wart, power brick, and power adapter.Adapters for battery-powered equipment may be described as chargers or rechargers (see also battery charger).ther common names include plug pack, plug-in adapter, adapter block, domestic mains adapter, line power adapter, wall wart, power brick, and power adapter. Adapters for battery-powered equipment may be described as chargers or rechargers (see also battery charger).
How are a PhD and Professional Doctorate Different? In a PhD program, you'll focus your research on contributing new knowledge and theory to the body of knowledge in your field. In a professional doctorate program, you'll focus your research on the practical application of knowledge and theory that already exists within your field.
â¢ Both PhD and EdD are research based doctoral level degree programs that require original research by the student. â¢ PhD is a degree awarded in most fields of study whereas EdD remains an education based degree. â¢ PhD is called the Doctor of Philosophy whereas EdD is called the Doctor of Education. â¢ PhD is common in English speaking countries, especially UK and the rest of the commonwealth. â¢ For students desirous of a career in teaching to become professors one day, PhD is a better option.