The correct direction of the magnetic field in the given figures is shown by:

1. | 2. | ||

3. | 4. |

Subtopic: Magnetic Field & Field Lines |

Please attempt this question first.

Please attempt this question first.

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's **Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

The magnetic lines of force inside a bar magnet are:

1. from south to the north pole.

2. from north to the south pole.

3. not present.

4. intersecting each other.

Subtopic: Magnetic Field & Field Lines |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's **Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

Which of the following is the correct representation of magnetic field lines?

1. (g), (c)

2. (d), (f)

3. (a), (b)

4. (c), (e)

82%

Subtopic: Magnetic Field & Field Lines |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's **Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

Which one of the following is correct?

1. | The magnetic field lines also represent the lines of force on a moving charged particle at every point. |

2. | Magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. |

3. | A bar magnet exerts a torque on itself due to its own field. |

4. | Magnetic field arises due to stationary charges. |

51%

Subtopic: Magnetic Field & Field Lines |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

If a magnetic needle is made to vibrate in uniform field *H*, then its time period is *T*. If it vibrates in the field of intensity 4*H*, its time period will be:

1. 2T

2. T/2

3. 2/T

4. T

Subtopic: Bar Magnet |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

A bar magnet of length ‘*l*’ and magnetic dipole moment ‘M’ is bent in the form of an arc as shown in the figure. The new magnetic dipole moment will be:

1. 3M/$\mathrm{\pi}$

2. 2M/l$\mathrm{\pi}$

3. M/2

4. M

Subtopic: Bar Magnet |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

Due to a small magnet, the intensity at a distance x in the end-on position is 9 gauss. What will be the intensity at a distance $\frac{x}{2}$ on equatorial position?

1. 9 gauss

2. 4 gauss

3. 36 gauss

4. 4.5 gauss

Subtopic: Bar Magnet |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

A long magnetic needle of length 2*L*, magnetic moment *M* and pole strength *m* units is broken into two pieces at the middle. The magnetic moment and pole strength of each piece will be:

1. $\frac{M}{2},\frac{m}{2}$

2. $M,\frac{m}{2}$

3. $\frac{M}{2},m$

4. M, m

73%

Subtopic: Bar Magnet |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

Figure shows two small identical magnetic dipoles a and b of magnetic moments M each, placed at a separation 2d, with their axes perpendicular to each other. The magnetic field at the point P midway between the dipoles is:

1. $\frac{2{\mathrm{\mu}}_{0}\mathrm{M}}{4{\mathrm{\pi d}}^{3}}$

2. $\frac{{\mathrm{\mu}}_{0}\mathrm{M}}{4{\mathrm{\pi d}}^{3}}$

3. Zero

4. $\frac{\sqrt{5}{\mathrm{\mu}}_{0}\mathrm{M}}{4{\mathrm{\pi d}}^{3}}$

Subtopic: Bar Magnet |

Please attempt this question first.

Please attempt this question first.

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**

The unit of pole strength is:

1. $A{m}^{2}$

2. Am

3. $\frac{{A}^{2}}{m}$

4. $\frac{{A}^{2}}{{m}^{2}}$

Subtopic: Bar Magnet |

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

To view explanation, please take trial in the course below.

NEET 2023 - Target Batch - Aryan Raj Singh

Please attempt this question first.

Launched MCQ Practice Books

**Unique MCQ Books** with Online **Audio/Video/Text Solutions via Telegram Bot**