Biot-savart's law is discussed here.

Friends,

We have already discussed Faraday's law of electro-magnetic induction. It was all about the induction of emf in an electric circuit. Now we will discuss Biot Savart's law.

Biot Savart Law is also a very important concept from the point of view of Electric Machine Design.

The law deals with the force produced on account of interaction between a magnetic field and a current carrying conductor.

According to Biot Savart's law

F

The meaning of various symbols in above formula can be given as,

F

B = flux density, in Wb/m

l = length of the conductor in meter ;

i = current carried by the conductor in Ampere ;

@ = angle between the direction of current and the direction of magnetic field.

Friends,

We have already discussed Faraday's law of electro-magnetic induction. It was all about the induction of emf in an electric circuit. Now we will discuss Biot Savart's law.

Biot Savart Law is also a very important concept from the point of view of Electric Machine Design.

The law deals with the force produced on account of interaction between a magnetic field and a current carrying conductor.

According to Biot Savart's law

**the electromagnetic force is give by the formula : -**F

_{e}=B*l*i*sin (@)The meaning of various symbols in above formula can be given as,

F

_{e}= Net Electromagnetic force produced in NewtonsB = flux density, in Wb/m

^{2}or in Tesla ;l = length of the conductor in meter ;

i = current carried by the conductor in Ampere ;

@ = angle between the direction of current and the direction of magnetic field.

**The direction of the force produced is perpendicular to both current and magnetic field.**
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