Why does the Earth have a magnetic field?
How is the magnetic field on Earth generated and how were the directions determined initially?
What is the direction of induced electric field due to changing magnetic field? What is the magnetic field due to an electromagnet at a point that is not along its axis? Could the Earth's magnetic field be used to produce electrical energy? Can earth's magnetic field be used to produce electricity? How did scientists calculate the magnetic field on the surface of a neutron star? What are the effects of earth's magnetic field on the atmosphere? How is a magnetic field generated when a current flows through a conductor? Is it possible to use the earth's magnetic field to produce electricity? Can earth’s magnetic field be repelled by a magnet? What is the difference between magnetic flux and magnetic field? Why can’t we use earths magnetic field to produce electricity? What is the relationship between a magnetic field and gravity? How is magnetic field created by the electric field of the electron when the electron spins? How were magnetic monopoles created? A current flows in a conductor from west to east. What is the direction of the magnetic field at a point below the conductor? What is the difference between electric and magnetic fields? What's the difference between electric field and magnetic field? Why is a magnetic field produced when current flows through a conductor? What are the examples of magnetic elements? Scientists say that the human body produces magnetic field so, can we harness this magnetic field and induce electrical energy just from the body? What is the main difference between magnetic and electric fields? Can we generate an artificial magnetic field around mars? A longer iron bar and a shorter iron bar are exposed to the same magnetic field.Would the total magnetic flux produced in them be the same? What is magnetic? Does a magnetic field have mass? Why the magnetic field lines are normal to the surface in case of ferromagnets? Why does a changing magnetic field induce a current? What's the difference between a magnetic field and an electromagnetic field? Is a magnetic field present when a current is not flowing through a conductor? Why does magnetic field produce when current flows in a conductor?