Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Physics Moving Charges and Magnetism Solenoids and Toroids
A Coil of many circular turns of insulated copper wire is wrapped closely in the shape of cylinder and constant current is passed through it.
Which of the following statements is true regarding the magnetic field produced?
1
The magnetic field lines are in form of straight parallel lines in side the cylinder.
2
The magnetic field lines are in form of concentric circles.
3
The magnetic field lines are always in form of ellciptical loops.
4
No magnetic field is produced.