Magnetism

Magnetism

This quiz on magnetism contains 10 single-correct, multiple-choice questions designed to test fundamental concepts of the subject. The questions cover a range of topics, including the properties of magnets and magnetic poles, the behavior of magnetic field lines, and the distinction between different types of magnetic materials like ferromagnetic substances. You'll also find questions that delve into the relationship between electricity and magnetism, specifically exploring the forces on current-carrying wires and charged particles in a magnetic field.

Furthermore, the quiz touches on the source of Earth's magnetic field and the principles behind devices like solenoids and compasses. The questions are structured to encourage critical thinking about key principles, such as the maximum force on a wire or the reason a compass needle points north. Each question is accompanied by four options, with a single correct answer. This format allows for a quick and effective assessment of one's understanding of magnetism. The quiz is a concise tool for students to review and reinforce their knowledge of this essential physics topic.

1 / 10

A solenoid is a coil of wire that acts like a magnet when:

2 / 10

A compass needle points north because:

3 / 10

The magnetic flux through a surface is a measure of:

4 / 10

A charged particle moves with velocity in a uniform magnetic field . The magnetic force on the particle is given by the Lorentz force formula:

5 / 10

Which of the following is responsible for Earth's magnetic field?

6 / 10

The force between two parallel current-carrying wires is attractive if the currents are in the:

7 / 10

A current-carrying wire is placed in a uniform magnetic field. The force on the wire is maximum when the angle between the direction of the current and the magnetic field is:

8 / 10

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  • Which of the following materials is a ferromagnetic substance?

9 / 10

The magnetic field lines outside a bar magnet travel from which pole to which pole?

10 / 10

A bar magnet is cut into three pieces. How many magnetic poles will exist in total among the three pieces?

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