Electric Field Intensity | video in HINDI | EduPoint
In this Physics video lecture in HINDI we explained the concept of electric field intensity for class 12. The electric field due to a charge is the space around the charge , in which any other charge is acted upon by an electrostatic force. Whereas, electric field intensity at a point is defined as the force experienced by a unit positive charge placed at that point.
It is a vector quantity and is denoted by E ⃗.
|E ⃗| = 1/(4πε_0 ) Q/r^2
In vector notation
E ⃗ = 1/(4πε_0 ) Q/r^3 r ⃗
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Other relevent topics :
Electric Charge : The property of a proton or an electron, which gives rise to electrostatic force between them, is called electric charge .
It is a scalar quantity.
In S.I., its unit is coulomb (C).
A proton possesses +e charge, whereas, an electron possesses -e charge, where, e =1.6 × 10 ^(-19) C.
Additive nature of charge : - The total charge on an object is equal to the algebraic sum of all the electric charges distributed in that object.
If q1, q2, ……….. qn are the charges distributed in an object, then the total charge on that object,
q = q1+ q2+ …….+ qn
Quantization of charge : - The fact that all observable charges are always some integral multiple of elementary charge e, is known as quantization of charge.
Hence, any observable charge,
q = ± n e
Law of conservation of charge :- Law of conservation of charge states that for an isolated system, the net charge always remains constant.
In other words, charge can neither be created nor be destroyed.
Coulomb's Law :
Coulomb's law in electrostatics states that the magnitude of the electrostatic force between two charges is directly proportional to the product of the magnitudes of two charges and inversely proportional to the square of the distance between them.
Coulomb's constant is having value 9 × 10 ^9 Nm^2 C^(-2).
Absolute permittivity of free space and is equal to 8.854 ×10^(-12) C^2 N^(-1) m^(-2).
The principle of superposition : - This principle states that when a number of charges are interacting, the electrostatic force between two charges is not affected by the existence of the other charges and the total electrostatic force on a charge is the vector sum of all the forces due to other charges.
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Пікірлер: 199
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@hulkshanky3421
Жыл бұрын
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@adityakulkarni7871
Жыл бұрын
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@ARJUN00767
4 жыл бұрын
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@adityakumarchoudhary4871
4 жыл бұрын
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3 жыл бұрын
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3 жыл бұрын
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3 жыл бұрын
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U defined the intensity so simple for me thanks sir
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@heisenberg2984
5 жыл бұрын
I have same books
Sir electric field intensity is S.I unit Vm Inverse 1 ho sakta hai sir.
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@afjalhussain844
3 жыл бұрын
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Distance ka square kyu hota koi bata do distance to r he rehna chahiye ya nahi
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@edupoint.physics
6 жыл бұрын
+Rekha Tiwari Thank you very much for your support and encouragement. Ye sab aap sab ki dua aur pyaar ka hi natija hai.
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@edupoint.physics
7 жыл бұрын
Hello kaushal kumar Yadav ! Yes ! Everything is coming. Stay with us. And as always .... thanks for watching.
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@edupoint.physics
7 жыл бұрын
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@edupoint.physics
6 жыл бұрын
+Avyay Rao Thank you very much for your encouragement. Aap sab ka saath himmat deta hai.
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@bhaktacharankumbhar5033
5 жыл бұрын
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@fariyadm.d715
6 жыл бұрын
ROCKSNDB thank
Zabardast
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@edupoint.physics
6 жыл бұрын
Hello Sandhita Sardar ! Thanks for your support and encouragement.
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@edupoint.physics
7 жыл бұрын
Hello Indian Curiosity ! You are welcome and thanks for encouraging. And as always .... thanks for watching.
@vinitjha8155
5 жыл бұрын
U right
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@edupoint.physics
7 жыл бұрын
+Jyoditya Raghuwanshi You are welcome. Bas aap sab ki dua milti rahe.
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@edupoint.physics
7 жыл бұрын
Hello kaushal kumar Yadav ! Thanks for your support and encouragement and as always ...... thanks for watching.
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@Anonymous-do6ck
4 жыл бұрын
Bro pi is nothing but pi=3.14
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@mr.abhishek5850
5 жыл бұрын
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4 жыл бұрын
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@Sanku0p
3 жыл бұрын
Alakh Pandey
Sir what is Difference between between electric field and intensity of electric field Plzz ans sir am very confuse between them
@vijayghare616
3 жыл бұрын
Electric filed ka magnitude means intencity And electric field is the area where we experiance that atraction and repultion force by charge
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@rahulshukla5899
4 жыл бұрын
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