How to Help Your 6th Grader Learn New Math Terms. There tends to be a shift in the focus of math curricula from 5th grade to 6th grade. In 6th grade, students are introduced to new concepts, including ratios, proportions and statistics. Similarly, they begin to learn algebraic expressions like solving for a variable and exponents.
A flyback transformer (FBT), also called a line output transformer (LOPT), is a special type of electrical transformer. It was initially designed to generate high voltage sawtooth signals at a relatively high frequency.he flyback transformer is used in the operation of CRT-display devices such as television sets and CRT computer monitors.
In effect, the core material is air and the transformer is called an AIR-CORE TRANSFORMER. Transformers used at low frequencies, such as 50 hertz and 400 hertz, require a core of low-reluctance magnetic material, usually iron. This type of transformer is called an IRON-CORE TRANSFORMER.