Biot Savart Law

# Biot Savart Law Video Lecture | Physics Class 12 - NEET

## Physics Class 12

105 videos|425 docs|114 tests

## FAQs on Biot Savart Law Video Lecture - Physics Class 12 - NEET

 1. What is the Biot Savart Law?
Ans. The Biot Savart Law is a fundamental law in electromagnetism that describes the magnetic field generated by a steady electric current. It states that the magnetic field at a point due to an infinitesimal length of a current-carrying conductor is directly proportional to the current, the length of the conductor, and the sine of the angle between the conductor and the line connecting the point to the conductor.
 2. How is the Biot Savart Law derived?
Ans. The Biot Savart Law is derived from experimental observations. It is based on the principle that each element of a current-carrying conductor produces a magnetic field, and the total magnetic field at a point is the vector sum of all these individual magnetic fields. By integrating the contributions of all the infinitesimal elements, the Biot Savart Law is obtained.
 3. What are the applications of the Biot Savart Law?
Ans. The Biot Savart Law has various applications in physics and engineering. It is used to calculate the magnetic field produced by various current-carrying geometries, such as straight wires, loops, and solenoids. It is also employed to determine the magnetic field inside and outside a current-carrying conductor and to analyze the behavior of magnetic materials in the presence of a magnetic field.
 4. How does the Biot Savart Law relate to Ampere's Law?
Ans. The Biot Savart Law and Ampere's Law are both fundamental laws in electromagnetism, but they describe different aspects of the magnetic field. The Biot Savart Law is used to calculate the magnetic field produced by a current-carrying conductor, while Ampere's Law relates the magnetic field to the current enclosed by a closed loop. In certain situations, the Biot Savart Law and Ampere's Law can be used interchangeably to calculate the magnetic field.
 5. Does the Biot Savart Law apply to all types of currents?
Ans. The Biot Savart Law applies to steady currents, which are currents that do not change with time. It does not directly apply to time-varying currents or situations involving changing magnetic fields. In those cases, more advanced theories such as Maxwell's equations are required to accurately describe the electromagnetic phenomena. However, in many practical situations, the Biot Savart Law can provide a good approximation.

## Physics Class 12

105 videos|425 docs|114 tests

### Up next

 Explore Courses for NEET exam
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

,

;