Electrical Current is the flow of charged particles. The flow of charges will be constant in current electricity. For the current to flow we need a circuit. The electrons in a current flows from negative to positive. Copy the link given below and paste it in new browser window to get more information on Introduction of Current Electricity www.askiitians.com/iit-jee-electric-current/introduction-of-current-electricity/

1. Introduction of current
electricity

2. Contents
Electricity
Types of electricity
Static electricity
Scientists in the field of electricity
Current electricity
Parameters in a circuit

3. Electricity
• Atoms consists of protons, neutrons and electrons. These electrons
move around the nucleus of the atom. Electricity is produced due to
the movement of electrons.

4. Types of electricity
• There are two types of electricity- Static electricity and Current
electricity.
• When two materials are rubbed together static electricity occurs.
Lightning is static electrical. Benjamin Franklin conducted the kite
experiment and realized that lightning is static.
• Current electricity is due to the flow of charged particles in a circuit.

5. Static Electricity

6. Scientists in the field of electricity
• William Gilbert - Electromagnetism
• Benjamin Franklin – Lightning is electrical
• Alessandro Volta – Electric battery- volt, which is unit of voltage
• Michael faraday – Electromagnetic induction
• Thomas Alva Edison – Electric bulb – DC system
• Nikola Tesla – AC system
• Andre Marie Amp –Unit of current, amp
• Georg Simon ohm –Ohm’s law and unit of resistance, ohm

7. Current Electricity
• A circuit which is closed loop through which current flows.
• It consists of conductors (wire), switch, load and a power source.

8. Parameters in a circuit
• Voltage- Potential difference between two point in a circuit.
• Current- I = Q / t, where Q is the charge and t is the time.
• Resistance- restriction to the flow of current.
• Ohm’s law States that V = I R

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