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We already know now that current carrying conductor generates magnetic field around themselves. Biot-Savart law just mathematically states the intensity of this magnetic field at a point.
According to the Biot-Savart law, magnetic field dBdue to current element idl, at a pointP situated at distancer from the current element idl,is:

i) directly proportional to the current element idl, ii) directly proportional to the sine of the angle (θ) between current element and r, and iii) inversely proportional to the square of the distance r between current element and the point

dB∝idl (sinθ)/r²

dB = (μ_o/4π)×idl×(sinθ)/r²

dB = idl × r / r³

Here proportionality constant is μ_o/4π = 10^-7Tm/A, and μ_ois the permeability of free space (vacuum)

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Electric dipole

Posted by Asmit Aswal 4 years, 10 months ago

Uttarakhand Board > Class 12 > भौतिक विज्ञान

2 answers

Ayush Kathait 4 years ago

An electric dipole is pair of 2 equal and opposite charges separated a short distance apart from it

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Yogita Ingle 4 years, 10 months ago

An electric dipole is defined as a couple of opposite charges q and –q separated by a distance d. By default, the direction of electric dipoles in space is always from negative charge -q to positive charge q. The midpoint q and –q is called the centre of the dipole. The simplest example of an electric dipole is a pair of electric charges of two opposite signs and equal magnitude separated by distance.

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What is electric field

Posted by Vikash Kumar 4 years, 10 months ago

Uttarakhand Board > Class 12 > भौतिक विज्ञान

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Yogita Ingle 4 years, 10 months ago

Electric field is a force produced by a charge near its surroundings. This force is exerted on other charges when brought in the vicinity of this field.

SI unit of electric field is N/C (Force/Charge).
Electric field due to a charge at a point is the force that a unit positive charge would experience if placed at that point.
The charge generating electric field is called source charge and the charge which experiences this field is called test charge. Practically, to keep source charge undisturbed due to the electric field of test charge, the test charge is kept infinitely small.
Since F(Force) is proportional to q (Charge), the electric field is independent of q but depends on r (space coordinates).
The electric field is symmetric in spherical coordinates.

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Prati himiy vilyan kise kehte h

Posted by Kritika Verma 4 years, 10 months ago

Uttarakhand Board > Class 12 > रसायन विज्ञान

1 answers

Aashish Manral 4 years, 9 months ago

what is Tyndall effect

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ethyl alcohol and phenol me kon jyada amliya hota h??

Posted by Priyanka Negi 5 years ago

Uttarakhand Board > Class 12 > रसायन विज्ञान

1 answers

Pawan Chauhan 4 years, 11 months ago

ethyl alcohol

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What is the geography

Posted by विPiन Raणा Pahadi 4 years, 10 months ago

Uttarakhand Board > Class 12 > भूगोल

1 answers

Sia ? 4 years, 4 months ago

Geography is a field of science devoted to the study of the lands, features, inhabitants, and phenomena of the Earth and planets. Geography is the study of places and the relationships between people and their environments.The first person to use the word γεωγραφία was Eratosthenes.

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afplication of derivatives

Posted by Riya Manral 5 years ago

Uttarakhand Board > Class 12 > गणित