The flow of electricity is known as electric current. An electric current has electric energy. It gets converted into light and heat energy when current flows through an electric bulb. The electric current flows from the end of the cell marked as + (positive terminal) through the metal wires, to the end marked - (negative terminal).
Matter is made up of atoms . Each atom consists of electrons, protons and neutrons. electrons have a negative charge.. Certain materials have loosely bound electrons that can be detached from their atoms and they can move around freely. These loosely bound electrons are called free electrons.
When these free electrons are forced to flow in a particular direction. This flow of electrons is a particular direction is called electric current. The conventional direction of flow of current is from positive to negative terminal..
If in 10s 20 Coulomb charge is flowing in a wire in an electric circuit then amount of current will be _______________ | |||
Right Option : D | |||
View Explanation |
Calculate the current supplied by a cell if the amount of charge passing through the cell in 2 minutes is 240 C ? | |||
Right Option : C | |||
View Explanation |
An electric current of 5A is the same as | |||
Right Option : C | |||
View Explanation |
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One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
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Abhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.