NEET Exam  >  NEET Notes  >  Physics Class 12  >  Index: Current Electricity

Index: Current Electricity | Physics Class 12 - NEET PDF Download

1. Electric Current

2. Electric Current in Conductors

3. Ohm’s Law

4. Drift of Electrons and the Origin of Resistivity

5. Limitations of Ohm’s Law

Resistivity of Various Materials

6. Temperature Dependence of Resistivity

7. Electrical Energy, Power

8. Combination of Resistors- Series & Parallel

9. Cells, EMF, Internal Resistance

10. Cells in Series & in Parallel

11. Kirchhoff's Rules

12. Wheatstone Bridge & Meter Bridge

13. Potentiometer

14. General

15. Tests of the Chapter: Current Electricity

16. Previous year tests

17. H.C. Verma, D.C. Pandey & Irodov Solutions & tests

18. NCERT Textbook & Solutions

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FAQs on Index: Current Electricity - Physics Class 12 - NEET

1. What is current electricity?
Ans. Current electricity is the flow of electric charge in a conductor, typically in the form of electrons moving through a wire. It is the movement of charged particles and is measured in amperes (A).
2. What causes current electricity to flow?
Ans. Current electricity flows when there is a potential difference, or voltage, applied across a conductor. This voltage creates an electric field that exerts a force on the charged particles, causing them to move and thus creating an electric current.
3. What are the different sources of current electricity?
Ans. There are various sources of current electricity, including batteries, power plants, and generators. Batteries convert chemical energy into electrical energy, while power plants and generators generate electricity through the conversion of other forms of energy, such as mechanical or thermal energy.
4. What is the difference between direct current (DC) and alternating current (AC)?
Ans. Direct current (DC) is the flow of electric charge in one direction, while alternating current (AC) periodically changes direction. DC is commonly used in batteries and electronic devices, while AC is used in most household and industrial electrical systems.
5. How is current electricity measured?
Ans. Current electricity is measured using an ammeter, which is connected in series with the circuit. The ammeter measures the flow of electric charge and provides the current reading in amperes (A).
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