A long wire carries a steady current. It is bent into a circle of one turn and the…
Physics · NEET · NTA Exams — Magnetic Effects of Current and Magnetism
A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the center of the coil is B. It is then bent into a circular loop of n turns. The magnetic field at the center of the coil will be
- nB
- n2B
- 2nB
- 2n2B
Answer
(B) n 2 B
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Relative permittivity and permeability of a material are _ r and μ r , respectively. Which of the following…
- A charged particle enters in a strong magnetic field. Then its kinetic energy
- In which type of material the magnetic susceptibility does not depend on temperature?
- To send 10% of the main current through a moving coil galvanometer of resistance 99 ohm, the shunt required…
- Two bar magnets of the same length, breadth and mass and having the magnetic dipole moment 3M and 2M are…
- A charged particle is moving in a magnetic field of strength B perpendicular to the direction of the field…
- At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can…
- The relative permeability is represented by μ r and the susceptibility is denoted by χ for a magnetic…
More Magnetic Effects of Current and Magnetism questions · Browse all practice questions