I'd like to test bulbs for my Christmas tree without detaching them from the line. How big should an electromagnetic field be to generate in the bulb such a current that it would shine?
Sorry, my english is too poor for such a technical question... Can anybody kindly correct the question in such a way any English people can understand it without needing a graduation in foreign-english?...
Sorry, my english is too poor for such a technical question... Can anybody kindly correct the question in such a way any English people can understand it without needing a graduation in foreign-english?...