Do step up transformers need more power than step down transformers?

Answer Step-up transformers draw exactly the same amount of power, or watts, from the primary power source as do step-down transformers when doing the same work. While a step-up transformer steps-up the v... Read More »

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When did oil slick appear in transformers animated?

When you buy a new printer, does it usually come with ink i know they dont come with the USB cord.?

Printers like Lexmark and HP have combo color cartridges. Other printers have individual color cartridges. These are better because with combo cartridges when the red runs out you have to buy and w... Read More »

When was the last time PCBs were used in transformers?

Polychlorinated biphenyl (PCB) is a synthetic liquid or semi-solid insulating material once used in transformers and other electrical devices. After it was found to cause cancer and other health pr... Read More »

Repairing SMPS of LCD TV - What Causes the Buzzing Noise (Sound) when the Transformers are turned on?

Do you see any visible damage across the board? I assume you're in the process of repairing the SMPS, so power supply has been restored to an extent.Usually, there are 3 reasons why you're hearing ... Read More »