More about inductive (11)

10-11-2025 | Power a lamp or heat a mug — no wires needed. This project transfers 20 W through a 5 cm table using 50 kHz electromagnetic resonance. A mic...

20-05-2025 | Wireless power transmission is becoming a key player in energy delivery as electric vehicles and IoT devices grow, offering efficiency and i...

2-08-2018 | MAGMENT is a Germany-based startup that produces magnetizable concrete material — either cement- or asphalt-based. CEO Mauricio Esguerra des...

8-05-2018 | As devices get smaller and smaller, switching power supplies also need to shrink in size to fit into the space available. This translates in...

1-05-2016 | It looks like a regular transformer power supply except that there’s an extra inductive element called a saturable reactor drawn in one of t...

1-03-1999 | In this article we discuss and respons the questions and advices of our readers.

1-12-1998 | Over the years this magazine has published a variety of light dimmers. Invariably, these were designs based on discrete components. Th...

1-12-1998 | Most soundcards have a ‘line’ input and one for an electret (condenser) microphone. To be able to connect an inductive tape-recorder head...

1-04-1993 | We can make antenna impedance measurements using a variant of the oldfashioned Wheatstone bridge. This article shows the basic form of th...

1-12-1992 | Inductive proximity switches are used, for instance, for measuring motor speeds or determining the position of metal objects. They da not...