By increasing the number of turns in the coil, the strength of the magnetic field:

decreases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

increases

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

first decreases then increases

No worries! We‘ve got your back. Try BYJU‘S free classes today!

remains unchanged

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B increases
The magnetic field inside a solenoid, $B \propto n$ ,where, $n$ is the number of turns in coil per unit length of the solenoid.
Hence, when the number of turns in coil increases, $n$ increases, and resultantly $B$ increases.

Suggest Corrections

Similar questions

Q. If current in the coil decreases, then strength of the magnetic field

Q. The strength of magnetic field produced by a current carrying circular coil can be ________ by increasing the number of turns of wire in the coil.

Q. The strength of the magnetic field of solenoid increases with the decrease in number of turns in the solenoid.

On reversing the direction of current in a wire, the magnetic field produced by it:
(a) gets reversed in direction
(b) increases in strength
(c) decreases in strength
(d) remains unchanged in strength and direction.

Why increasing tje number of turns of the coil increases the magnetic field of an electromagnet?

Join BYJU'S Learning Program

By increasing the number of turns in the coil, the strength of the magnetic field:

The correct option is B increasesThe magnetic field inside a solenoid, B∝n,where, n is the number of turns in coil per unit length of the solenoid.Hence, when the number of turns in coil increases, n increases, and resultantly B increases.

The correct option is B increases
The magnetic field inside a solenoid, $B \propto n$ ,where, $n$ is the number of turns in coil per unit length of the solenoid.
Hence, when the number of turns in coil increases, $n$ increases, and resultantly $B$ increases.