Brushed DC Motors and How to Drive Them detalis.

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DC electric motors have been around for nearly two hundred years, with a steady series of refinements in that time. More recently, brushless DC motors have become increasingly popular but for many applications brushed DC motors are still the right choice. Brushed motors are lower cost and are simpler to drive, so they remain a popular option. In this article, we’ll explain the basics of brushed DC motors, and then look at the circuitry required to drive them. We’ll also introduce brushless DC motors and their pros and cons. Brushed DC Motor Basics Going back to basics, the fundamental principle of an electric motor is, of course, that it converts electricity into motion. It does this through the interaction between magnets, one of which is typically created by passing a current through wire bound around a ferrite core. The current flowing through the wire generates the second magnetic field. This interacts with the primary magnetic field to create an opposing force that moves one...
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what is GDP and full form-and basic details.

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Full form of GDP is {Gross domestic product}

   Now i will make you know about basic details about GDP .Gross Domestic Product GDP is the monetary measure of the market value of all the final goods and services products in a specific time period often annually.
   

The sinple  definition of GDP.

  The Gross Domestic Product measures the value of economic activities within the country strictly in the sum of the market value or prices of all final goods and services products in an economic during the period of time in a specific country.

GDP is used for.

  Used for the represent the total monetary value of all final goods and services products in a specific country during a period of time GDP is the most commonly used measure of economic activities which shows how country is strong in economic condition.

 Best economy country in world.

The US has retain its potential of being the world's largest economic since 1871 the size of the US economy was at 19.39 trillion dollar in 2017 in nominal term and its expected to be reached 20. 41 trillion dollar in 2018 no economic growth of US 2019 is

Location: Kolkata, West Bengal, India

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