What is a variable transformer?

Answer A variable transformer is a transformer with an adjustable output voltage. Also called Variacs and autotransformers, most variable transformers have a rotor in place of a standard fixed iron core. ... Read More »

Top Q&A For: What is a variable transformer

Can a 110v variable transformer be used with 240v supply ?

Wrong question. I don't know how you are planning to plug it in, but if you put the hot leg on one side of the 240 and the neutral on the other side of the 240, do me a favor and grab a video came... Read More »

Can a 50 VA transformer replace a 40 VA transformer in a heat pump?

A 50 VA (volt-ampere) transformer can replace a 40 VA transformer in a heat pump. The new transformer can yield a maximum of 50 VA; however, it will only supply the power the heat pump demands. In ... Read More »

How to Solve for One Variable in Terms of Another Variable?

An equation with multiple variables, or a multivariate equation, is as dependent on those variables as the variables are on each other. Often, as with a system of linear equations or solution of a ... Read More »

What is better I pad 2 or EEE pad transformer?