When magnetic field lines are close, the magnetic field is?

Education Journalist | Study Abroad Strategy Lead

Magnetic field lines are used to visualize and represent the direction and strength of the magnetic field in a given region of space.

The closer the field lines are to each other, the stronger the magnetic field is in that region.
This is because the density of magnetic field lines represents the strength of the magnetic field.
If the field lines are close together, it means that the magnetic field is changing rapidly, and there is a large magnetic force acting in the region.
In contrast, if the field lines are far apart, the magnetic field is weaker because there is less force acting in that region.

In other words, the magnetic field lines behave like a map that tells us about the strength and direction of the magnetic field. When the field lines are close together, they indicate that the magnetic field is strong, and when they are far apart, they indicate that the magnetic field is weak. Therefore, the density of the magnetic field lines provides a visual representation of the strength of the magnetic field.

Read More:

Important Concepts
Magnetic Levitation Project	Magnetic Declination	Magnetometer
Magnetic Flux	Electromagnetism	Faraday Constant Value
Magnetic Poles And Their Significance	Curie Weiss Law	Bar Magnet as an Equivalent Solenoid

CBSE CLASS XII Related Questions

1.
A ray of light MN is incident normally on the face corresponding with side AB of a prism with an isosceles right-angled triangular base ABC. Trace the path of the ray as it passes through the prism when the refractive index of the prism material is \( \sqrt{2} \), and \( \sqrt{3} \).

View Solution

2.
Consider a cylindrical conductor of length \( l \) and area of cross-section \( A \). Current \( I \) is maintained in the conductor and electrons drift with velocity \( \vec{v}_d \, (|\vec{v}_d| = \frac{eE}{m} \tau) \), where symbols have their usual meanings. Show that the conductivity of the material of the conductor is given by \[ \sigma = \frac{n e^2 \tau}{m}. \]

View Solution

3.
Four long straight thin wires are held vertically at the corners A, B, C and D of a square of side \( a \), kept on a table and carry equal current \( I \). The wire at A carries current in upward direction whereas the current in the remaining wires flows in downward direction. The net magnetic field at the centre of the square will have the magnitude:

\( \dfrac{\mu_0 I}{\pi a} \) and directed along OC
\( \dfrac{\mu_0 I}{\pi a \sqrt{2}} \) and directed along OD
\( \dfrac{\mu_0 I \sqrt{2}}{\pi a} \) and directed along OB
\( \dfrac{2\mu_0 I}{\pi a} \) and directed along OA

View Solution

4.
The energy of an electron in an orbit in hydrogen atom is \( -3.4 \, \text{eV} \). Its angular momentum in the orbit will be:

\( \dfrac{3h}{2\pi} \)
\( \dfrac{2h}{\pi} \)
\( \dfrac{h}{\pi} \)
\( \dfrac{h}{2\pi} \)

View Solution

5.
The figure represents the variation of the electric potential \( V \) at a point in a region of space as a function of its position along the x-axis. A charged particle will experience the maximum force at:

View Solution

6.
Assertion : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more. Reason (R): Induced emf produced is directly proportional to the magnetic flux.

Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
Assertion (A) is true, but Reason (R) is false.
Both Assertion (A) and Reason (R) are false.

View Solution

When magnetic field lines are close, the magnetic field is?

CBSE CLASS XII Related Questions

1.
A ray of light MN is incident normally on the face corresponding with side AB of a prism with an isosceles right-angled triangular base ABC. Trace the path of the ray as it passes through the prism when the refractive index of the prism material is \( \sqrt{2} \), and \( \sqrt{3} \).

4.
The energy of an electron in an orbit in hydrogen atom is \( -3.4 \, \text{eV} \). Its angular momentum in the orbit will be:

5.
The figure represents the variation of the electric potential \( V \) at a point in a region of space as a function of its position along the x-axis. A charged particle will experience the maximum force at:

6.
Assertion : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more. Reason (R): Induced emf produced is directly proportional to the magnetic flux.

Similar Physics Concepts

Comments

dOGVmW

When magnetic field lines are close, the magnetic field is?

CBSE CLASS XII Related Questions

1.A ray of light MN is incident normally on the face corresponding with side AB of a prism with an isosceles right-angled triangular base ABC. Trace the path of the ray as it passes through the prism when the refractive index of the prism material is \( \sqrt{2} \), and \( \sqrt{3} \).

4.The energy of an electron in an orbit in hydrogen atom is \( -3.4 \, \text{eV} \). Its angular momentum in the orbit will be:

5.The figure represents the variation of the electric potential \( V \) at a point in a region of space as a function of its position along the x-axis. A charged particle will experience the maximum force at:

6.Assertion : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more. Reason (R): Induced emf produced is directly proportional to the magnetic flux.

Similar Physics Concepts

Comments

dOGVmW

1.
A ray of light MN is incident normally on the face corresponding with side AB of a prism with an isosceles right-angled triangular base ABC. Trace the path of the ray as it passes through the prism when the refractive index of the prism material is \( \sqrt{2} \), and \( \sqrt{3} \).

4.
The energy of an electron in an orbit in hydrogen atom is \( -3.4 \, \text{eV} \). Its angular momentum in the orbit will be:

5.
The figure represents the variation of the electric potential \( V \) at a point in a region of space as a function of its position along the x-axis. A charged particle will experience the maximum force at:

6.
Assertion : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more. Reason (R): Induced emf produced is directly proportional to the magnetic flux.