How does an Electric Relay work?

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Relays are electrically operated switches, which allow a low-level electrical signal to control a separate larger electrical voltage or current.

Several types of relays are available to suit different applications, including reed relays, automotive power relays, latching relays, contactors & coaxial relays.

Relay Construction

A relay is an electromechanical device that consists of a number of parts, including the Coil, core, armature, yoke, contacts, spring and the push-rod.

How a relay works. Relay parts diagram.

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How to download, add and install the YouTube app on a Samsung Smart Tv Smarthub

How to download, add and install the Youtube app on a Samsung Smart Tv Smarthub

This video shows how to download the Youtube app onto the Smarthub of a Samsung smart tv.  It also shows you how to edit the apps in the More apps screen and move them to the My Apps screen.

How can I watch YouTube on Samsung TVs older than 2013 ?

The YouTube Flash app on older TV device models is no longer available. To continue watching YouTube on an older Samsung TV  your best bet is to use one of the following cheap media players that support YouTube:

Roku Streaming media player:
Amazon US http://amzn.to/2hlBiMy
Amazon UK http://amzn.to/2vqC5Ss
Amazon DE http://amzn.to/2tXLY5K
Amazon IT http://amzn.to/2ui0l45
Amazon ES http://amzn.to/2w42JgX

Amazon Fire TV Stick :
Amazon US http://amzn.to/2uWIkuc
Amazon UK http://amzn.to/2vqEcpm
AMazon DE http://amzn.to/2vqDSqE

YouTube Flash Announcement from Google:
https://support.google.com/youtube/answer/7379403?hl=en-GB

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