by abhishek | Aug 27, 2020 | Magnetic Effects of Current
Right hand thumb rule was given by Maxwell. So this rule is also known as Maxwell’s right hand thumb rule. According to this rule, imagine that you are holding a current carrying wire in your right hand so that the thumb points in the direction of the current, then...
by abhishek | Aug 27, 2020 | Magnetic Effects of Current
To find out magnetic field around a wire carrying electric current take a wire and pass it through the centre of a horizontal sheet of cardboard. Connect the ends of wire to a battery. Sprinkle some iron fillings on the cardboard sheet and switch on the circuit to...
by abhishek | Aug 27, 2020 | Magnetic Effects of Current
The magnetic effect of electric current was discovered by H.C. Oersted in 1820. He observed that flow of electric current through a conductor produce a magnetic field around it. The magnetic effect of current can be demonstrated by doing following experiment. Oersted...
by abhishek | Aug 27, 2020 | Magnetic Effects of Current
On the basis of magnetic properties all the materials have been divided into three types: 1. Diamagnetic materials 2. Paramagnetic materials, and 3. Ferromagnetic materials Diamagnetic MaterialsThe materials which are weakly magnetized in the direction...
by abhishek | Aug 27, 2020 | Magnetic Effects of Current
gnet is oxide of iron which has the property of attracting small pieces of iron, steel, cobalt and nickel towards itself. Magnet was discovered about 2500 years ago by Greeks in the form of a black ore of iron called loadstone. Now days, loadstone is called magnetite...
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