Which chapter is LC Oscillations Class 12?

For Class 12 Physics (NCERT & CBSE), LC Oscillations are covered in Chapter 7: Alternating Current (AC), where they explain the energy exchange in an inductor-capacitor circuit, similar to mechanical oscillations, though some educational boards might have this topic removed or in a different chapter like Electromagnetic Induction in some state boards.

What chapter is the LC oscillations in?

LC Oscillations, Chapter 7, Alternating Current, Class 12 Physics - YouTube.

What is LC oscillation class 12th?

LC oscillation refers to the continuous flow of electrical energy between a capacitor and an inductor in an ideal LC circuit. Key points: Energy shifts between the electric field (capacitor) and magnetic field (inductor). It produces undamped, sinusoidal oscillations at a natural frequency.

What is the hardest chapter in Physics class 12?

The hardest chapter in Physics Class 12 is often regarded as Nuclei. This chapter involves complex concepts such as binding energy and radioactivity, which can be significant challenges for many students.

Is LC oscillation in syllabus class 12?

CBSE has deleted some topics from Physics syllabus including Electrical Resistance, Cyclotron, LC oscillations, Eddy Currents, Brewster's law, and more. Check here CBSE class 12 physics deleted syllabus 2025-26 and download revised syllabus.

The beauty of LC Oscillations!

Is LC oscillation in NEET 2025 syllabus?

Yes, several topics have been removed from the NEET 2025 Physics syllabus. These include advanced topics such as LC oscillations (qualitative treatment), Davisson-Germer experiment (experimental details omitted), and some topics in Mechanics and Electromagnetic Induction.

Is LC oscillation in JEE?

is discharged through an inductance. the charge and current in the circuit start oscillating simple harmonically. If the resistance of the circuit is zero, no energy is dissipated as heat.

What is the toughest subject in class 12th?

Which is the toughest subject in class 12 CBSE? Each student is different and the tough or easy subject depends on their perspective. Some students feel Mathematics/Physics tough while others feel Physics is toughest.

What is the easiest chapter in class 12 Physics?

Here are the 5 easiest chapter in class 12 Physics: Electric Charges and Fields: Straightforward definitions and simple formula-based numerical calculations make this chapter one of the easiest. Current Electricity: With few derivations and straightforward formula-based numerical, this chapter is simple, too.

What happens if you fail Physics?

If I fail in Physics but pass in all other subjects, will I still be considered to have passed in 12th grade? And will I still be eligible for a medical college. If you pass in all the other subjects and fail in one subject, you will still be considered "pass" by the CBSE board .

What are LC oscillations used for?

Applications of Oscillators

Oscillators generate high-frequency carrier signals for AM, FM, and digital modulation. Used to produce a range of frequencies from a single oscillator source. LC and crystal oscillators are used for tuning and frequency control.

What is the other name for LC oscillator?

The LC Oscillator is therefore a “Sinusoidal Oscillator” or a “Harmonic Oscillator” as it is more commonly called. LC oscillators can generate high frequency sine waves for use in radio frequency (RF) type applications with the transistor amplifier being of a Bipolar Transistor or FET.

What is oscillation class 12th?

Oscillation is the repetitive or periodic variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states. Familiar examples of oscillation include a swinging pendulum and alternating current.

Is oscillation a tough chapter?

Is oscillation a tough chapter? Oscillation is considered moderately difficult. If you understand the basic concepts like SHM, energy conservation, and damping, you can solve most questions easily.

What is LC in physics?

An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.

What is DC current Class 12?

Direct current, often known as DC, is an electric current in which electrons flow in the same direction all of the time. An alternating current (AC) is an electric current in which the flow of electrons reverses direction at regular intervals of time.

Which is the toughest chapter in class 12 physics?

Challenging Problems from Difficult Chapters in Physics:

• Electrostatics. Electrostatics is an important chapter heavily weighted in the CBSE Class 12 board exams. ...
• Current Electricity: ...
• Electromagnetic Induction and Alternating Current: ...
• Electromagnetic Waves: ...
• Optics (Wave & Ray): ...
• Modern Physics:

What is the 80/20 rule in JEE Mains?

But in the race for the JEE Main Exam, hard work without strategy is just running on a treadmill. You're sweating, but you aren't going anywhere. This is where the 80/20 Rule comes in. Simply put: 80% of your marks will come from 20% of your efforts.

Is physics grade 12 hard?

Physical sciences is widely regarded as one of the most challenging subjects in Grade 12. It has a large vocabulary of terms that need to be understood in context and relies on a strong mathematical foundation.

What is the most failed subject in high school?

The most failed high school class in the U.S. is consistently Algebra I, often followed by other math courses like Algebra II, due to its foundational nature, abstract concepts (like using letters for numbers), and the cumulative gaps from earlier math instruction. Science, especially Physics, also has high failure rates, particularly at the AP level, due to heavy math integration and complex concepts. 

Why is school 7 hours long?

School days are around 7 hours long to balance core instruction, breaks, meals, and extracurriculars, providing enough time for deep learning, addressing diverse student needs (like remediation or enrichment), and fitting within logistical constraints (busing, parent schedules) while preparing students for future demands, with longer days potentially boosting global competitiveness in STEM and other fields. 

Is year 10 or 11 harder?

Year 11 is commonly regarded as one of the most demanding years in secondary school. This is primarily because it culminates in GCSE exams, which serve as a critical milestone in your academic journey.

How to get 99.9 in jee mains?

To achieve 99+ percentile, you should:

1. Understand the JEE Main exam pattern.
2. Thoroughly study NCERT along with one reliable reference book per subject.
3. Identify and work on your weak areas.
4. Solve previous years' JEE Main papers.
5. Attempt weekly mock tests.
6. Revise systematically and consistently.

Is LC oscillation in class 12 syllabus?

Electromagnetic Induction and Alternating Currents

Peak value, mean value and RMS value of alternating current/voltage; their relation in sinusoidal case; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, wattless current.

What is LC oscillation Class 12?

LC oscillations are generated due to the continuous energy flow from the capacitor to the inductor. In this, the capacitor undergoes charging, discharging, charging, etc. The capacitor starts charging the inductor while discharging itself when a charged capacitor is connected to a de-energized inductor.