LEARN ELECTRICAL

Open Circuit:                     A n   incomplete   electrical   circuit   in   which   no   current   flows. Close Circuit:      A complete   electrical   circuit   around   which current   flows. EFFECTS OF CURRENT Electricity is the most widely used form of energy we cannot see electricity , but we can see its effects. The Electricity can produce different types of effects. Basically the effect of electricity is conversion of Electrical energy into other form of energy, such as Light, Heat etc. When electric current flows in a circuit, it produces various effects such as ·          Heating Effects of current ·          Magnetic effect of current ·       ...

Positive:             Designating or pertaining to a kind of electricity. Specifically, an atom which loses negative electrons and is positively charged. Negative:           Designating or pertaining to a kind of electricity. Specifically, an atom that gains negative electrons is negatively charged.                                                                               AC Volt Meter DC Volt Meter AC/DC  Voltage Check connection diagram Page No. 5

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VOLTAGE 1.              Static:                      The item that rubs off the outer layer of the atom “steals” some of the extra electrons, giving it a slightly negative charge. We call this built-up electric charge “static electricity.” We rub our comb or ruler to our hair some of the electrons move to the ruler and because of that, it attracts pieces of paper. 2.              Dynamic :                               Dynamic electricity is a flow of electrical energy that occurs in a long period time . There are two types of electricity voltage. ...

Multiplies and sub multiples of units : 1000                                                       KILO                       K             Thousand 1000,000                                              MEGA                    M        ...

What is Electricity? What is Electrical Quantities?  (Voltage, Current, Resistance) Electrons Theory of Electricity: All matter in this universe is made up of atoms and an atom consists of a central nucleus containing minute particles called protons and neutrons. Surrounding the nucleus there are a number of electrons in various orbits.   It is due to the movement of electrons, the behavior of electrons is more important. But there is one thing common for both protons and electrons and that is their electric charge. This charge is considered as the quantity of electricity. Electron and proton both possess exact same amount of charge, but they are opposite in nature. The electron has a negative charge, whereas the proton has a positive charge. All atoms in their normal state have the same number of protons and electrons and hence they are electrically neutral. The protons are strongly bonded to the nucleus and they cannot be separated from nucleus normally. El...

BASIC ELECTRICAL In   physics , a   state of matter   is one of the distinct forms that   matter   takes on three states of matter are observable in everyday life:   solid ,   liquid ,  and gas . Solid matter unit is gram, liquid unit is liter and gas measured in cubic feet. In electrical some basic quantities are used. These quantities are different to each other, its units are different, and its measuring instruments are different. Electrical Quantities : There are five basic electrical quantities. S. No. QUANTITIES UNITS MEASURING INSTRUMENTS 1 Voltage           (V, E) Volt          ( V ) Volt Meter 2 Current           ( I ) Load Ampere   ( A ) Ampere Meter 3 Resistance      (R ) Ohm...