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.
A professional doctorate can take from 2-5 years full time and 3-8 years part time. The time taken depends on the area of study, commitment of the student and the length of the research project. The links below to individual award profiles give a rough guide to the minimum and maximum course lengths.nlike a PhD, a professional doctorate is not a training for a career in academia. The effect on a future career will depend on the area of study. In an ESRC funded report by Professor Ingrid Lunt of the Institute of Education compared the EngD, the EdD and the DBA.