Magnets help create rotational motion by interacting with current-carrying conductors, converting electrical energy into mechanical energy.
Related Questions:
- Can two magnetic field lines intersect each other? Justify your answer.
- A freely suspended magnet always points along the north-south direction. Why?
- What is the neutral zone or field-free region of the magnetic field?
- Is there any material which does not have any magnetic behavior? Justify your answer.
- A proton is also a charged particle and spins like an electron. Why is its effect neglected in the study of magnetism?
- What is the geomagnetic reversal phenomenon? Explain.
- Why does the Earth spin about its geographical axis instead of its magnetic axis? Explain.
- Why are the Earth’s geographical and magnetic axes not coincident? Explain.
- What is the difference between paramagnetic and ferromagnetic materials?
- On what factors does the strength of the magnetic field of an electromagnet depend?
- Explain the magnetic field of a bar magnet and that of a solenoid, and compare them.
- Why does a solenoid produce a strong magnetic field inside its coil?
- Why is soft iron preferred for making the core of an electromagnet?
- What happens when a bar magnet is broken into two pieces?
- How does increasing the number of turns in a solenoid affect its magnetic field strength?
- Define induced magnetism. Also, explain some methods for induced magnetism.
- Differentiate between permanent and temporary magnets.
- Explain some uses of electromagnets and temporary magnets.
- Explain the three types of magnetic materials.
- Describe the right-hand rule for determining the direction of the magnetic field in a current-carrying wire.