Some of the main topics
for Physics chapter Alternating Current (Class 12) along with their details are:
1. Introduction to
Alternating Current
- Definition of
Alternating Current
- Differences between
AC and DC
- Advantages and
Disadvantages of AC
2. Generation of Alternating Current
- Electromagnetic
Induction
- Faraday's Law of
Electromagnetic Induction
- Lenz’s Law
- Self and Mutual
Induction
- AC Generator
3. Sinusoidal AC
- Sinusoidal Waveform
- Instantaneous, Peak,
Peak to Peak and RMS Values of AC
- Phasor Diagrams
4. AC Circuits
- Capacitance in AC
Circuit
- Inductance in AC
Circuit
- Impedance in AC
Circuit
- Reactance in AC
Circuit
- Power in an AC
Circuit
- Resonance in an AC
Circuit
5. Transformers
- Principle of step-up
and step-down transformers
- Transformer
Construction
- Types of
Transformers
- Transformer
Efficiency
6. AC Instruments
- Measurement of AC
voltage and current
- Wattmeter and its
working principle
- Frequency meter and
its working principle
7. Power Transmission and Distribution
- AC Power
transmission
- Three-Phase Systems
- Transmission Lines
- Power Transformers
- Distribution System
8. Applications of Alternating Current
- Domestic and
Industrial Applications
- Telecommunications
- Medical Applications
- Heating Effect of
Electric Current.
Note: These are the
main topics covered in the Alternating Current chapter of Physics Class 12 in
India. The syllabus may vary in different countries.
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