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164,902 results

Khan Academy India - English
What are inductors?(self-inductance) | Electromagnetic Induction | Class 12 | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Self-inductance is the tendency of a coil to resist changes in ...

11:28
What are inductors?(self-inductance) | Electromagnetic Induction | Class 12 | Physics | Khan Academy

352,963 views

5 years ago

Khan Academy India - English
Wheatstone Bridge & its Logic | Current Electricity | Class 12 | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Wheatstone bridge is a special circuit consisting of 5 ...

13:02
Wheatstone Bridge & its Logic | Current Electricity | Class 12 | Physics | Khan Academy

514,088 views

5 years ago

Khan Academy India - English
Electric dipoles & dipole moments | Electric charges & fields | Physics | Khan Academy

Two equal and opposite charges separated by some distance constitute a dipole. The product of the charge and distance ...

12:46
Electric dipoles & dipole moments | Electric charges & fields | Physics | Khan Academy

242,632 views

4 years ago

Khan Academy India - English
Biot Savart law (vector form) | Moving charges & magnetism | Class 12 | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Biot Savart law states that the magnetic field due to a tiny ...

12:50
Biot Savart law (vector form) | Moving charges & magnetism | Class 12 | Physics | Khan Academy

361,221 views

5 years ago

Khan Academy India - English
Moving coil galvanometer working | Moving charges & magnetism | Class 12 | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india A moving coil galvanometer works on the principle that a ...

15:02
Moving coil galvanometer working | Moving charges & magnetism | Class 12 | Physics | Khan Academy

345,147 views

5 years ago

Khan Academy India - English
Photodiodes (working & why it's reverse biased) | Class 12 | Semiconductors | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Let's explore the working of a photodiode - a PN junction that ...

11:40
Photodiodes (working & why it's reverse biased) | Class 12 | Semiconductors | Physics | Khan Academy

316,760 views

5 years ago

Khan Academy India - English
Huygen's principle of secondary waves | Wave optics | Physics | Khan Academy

Huygen's principle states every point on the current wavefront acts as a source of secondary spherical waves. These secondary ...

10:34
Huygen's principle of secondary waves | Wave optics | Physics | Khan Academy

172,539 views

5 years ago

Khan Academy India - English
Transformers -  working & applications (step up and step down) | A.C. | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Transformers step up (increase) or step down (decrease) AC ...

9:03
Transformers - working & applications (step up and step down) | A.C. | Physics | Khan Academy

441,996 views

5 years ago

Khan Academy India - English
Reflection laws proof using Huygen's principle | Class 12 | Wave optics | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Huygen's principle states that every point on a wavefront ...

10:20
Reflection laws proof using Huygen's principle | Class 12 | Wave optics | Physics | Khan Academy

215,888 views

5 years ago

Khan Academy India - English
Huygen's theory of light & wavefronts | Wave optics | Physics | Khan Academy

Huygen's proposed that light is a longitudinal wave in the aether medium - a medium that pervades the entire universe. The set of ...

8:48
Huygen's theory of light & wavefronts | Wave optics | Physics | Khan Academy

118,644 views

5 years ago

Khan Academy India - English
Solar cells - working | Semiconductors | Class 12 | Physics | Khan Academy

https://www.khanacademy.org/science/in-in-class-12th-physics-india Let's explore the working principle of solar cells (photovoltaic ...

7:55
Solar cells - working | Semiconductors | Class 12 | Physics | Khan Academy

365,359 views

5 years ago

Khan Academy India - English
Meter bridge principle (and working) | Electricity | Physics | Khan Academy

A Meter bridge is used to calculate resistance values with high accuracy. They work on the principle of a balanced Wheatstone ...

12:26
Meter bridge principle (and working) | Electricity | Physics | Khan Academy

97,763 views

5 years ago

Khan Academy India - English
Gauss law of electricity | Electrostatics | Physics | Khan Academy

Gauss law says the electric flux through a closed surface = total enclosed charge divided by electrical permittivity of vacuum.

15:52
Gauss law of electricity | Electrostatics | Physics | Khan Academy

313,295 views

5 years ago

Sayak | IIT Kharagpur
SC How to Get 93 in Class 12 Physics

Everyone says Physics is tough till you actually figure out how to study it smart. I didn’t take coaching, didn’t solve 5000 ...

8:18
SC How to Get 93 in Class 12 Physics

14,790 views

6 months ago

Khan Academy India - English
Cells, EMF, terminal voltage & internal resistance | Electric current | Physics | Khan Academy

EMF is the work done by the cell in moving a coulomb of charge across its terminals. It represents the energy transferred per ...

14:30
Cells, EMF, terminal voltage & internal resistance | Electric current | Physics | Khan Academy

295,774 views

5 years ago

Khan Academy India - English
Applications of Total Internal Reflection | Ray Optics | Physics | Khan Academy

... and videos for Class 12 Physics here - https://www.khanacademy.org/science/in-in-class-12th-physics-india Khan Academy is a ...

11:55
Applications of Total Internal Reflection | Ray Optics | Physics | Khan Academy

14,491 views

3 years ago

Sayak | IIT Kharagpur
Physics CBSE Class 12 in 12 Days: Score 70/70 in 12 Days Possible?

Physics CBSE Class 12 in 12 days — yes, it’s possible if you stop studying the wrong way. This video is a real survival plan ...

9:00
Physics CBSE Class 12 in 12 Days: Score 70/70 in 12 Days Possible?

27,539 views

3 months ago

Khan Academy India - English
Nuclear size and density | Nuclei | Physics | Khan Academy

... and videos for Class 12 Physics here - https://www.khanacademy.org/science/in-in-class-12th-physics-india Khan Academy is a ...

9:22
Nuclear size and density | Nuclei | Physics | Khan Academy

19,128 views

3 years ago

Sayak | IIT Kharagpur
How to Score Passing Marks in Physics CBSE 2026 Easily

Download the Class 12 Physics Formula Cheatsheet for free: https://shadowmoulic.gumroad.com/l/cbse-class-12 If you’re ...

4:59
How to Score Passing Marks in Physics CBSE 2026 Easily

15,981 views

3 months ago

Khan Academy India - English
Binding energy graph | Nuclei | Physics | Khan Academy

Let's explore the graph of binding energy per nucleon vs Mass number, and make predictions of the nature of nuclear force, and ...

11:50
Binding energy graph | Nuclei | Physics | Khan Academy

124,577 views

5 years ago