Magnets and Magnet Fields
Magnets and magnet fields are foundational concepts in the realm of physics and electromagnetism. Magnets, with their inherent ability to attract or repel other objects, have fascinated scientists and laypeople alike for centuries. Understanding the properties of magnets and the fields they generate is crucial not only for practical applications such as magnetic storage devices and electric motors but also for comprehending the fundamental forces that govern the universe. In this introductory paragraph, we will explore the basics of magnets and magnet fields, laying the groundwork for a deeper understanding of their implications in various scientific disciplines.
Questions
- A student asserts that putting two current-carrying rods next to each other causes them to repel because they carry like charges. Is the student correct?
- How does the net charge relate to electromagnetic fields?
- A copper rod is suspended in a non-homogeneous magnetic field region. How will it align itself in equilibrium?
- What is an MRI? How does it take the pictures of our brain? What materials are used for it?
- If a magnet is suspended at an angle of #30^o# to the earth magnetic meridian , the dip needle makes angle of #45^o# with the horizontal . the real dip is ?
- What are diamagnetism, paramagnetism and ferromagnetism?
- How are electric and magnetic fields related?
- What is a magnetic field?
- What types of magnets are easy to magnetize but lose magnetism quickly?
- What makes magnets repel or be attracted to other materials?
- How are magnets and magnetic fields related to electricity generation?
- What happens when a wire is placed within a magnetic field?
- How electron produce both magnetic and electric field?
- How are magnets and magnetic fields related?
- How can we draw magnetic field lines?
- A beam of #prop# particles (helium nuclei) is used to treat a tumor located 10.0 cm inside a patient. To penetrate to the tumor, the #prop# particles must be accelerated to a speed of 0.458c, where c is the speed of light. (Ignore relativistic effects?
- A circular loop of radius a , carrying a current I ,is placed in a 2D magnetic field. The centre of the loop coincides with the centre of the field. The strength of magnetic field at the periphery of loop is B. Find the magnetic force on the wire?
- Why do magnets attract only iron objects and other magnets?
- What is the effect of a magnetic field on a electric charge? On a moving electric charge?
- How can you tell that the magnetic field gets weaker farther from the magnet?