WorksheetsMAGNETISM
Total questions: 10
Worksheet time: 5mins
Find the false statement
Natural magnets are permanent magnets
Lodestone called magnetite
Minerals like fire pyrrhotite, Ferrite and coulumbite are artificial magnets
Magnetite is the ore of iron is strongest natural magnet
Which one of the following is not the ore of iron?
Hematite
ALNICO
Magnetite
Siderite
Find odd one out
Attractive property
Reflective property
Directive property
Magnetic field
Among the following which is not a artificial magnet?
Bar magnet
Ring magnet
Electromagnet
Lodestone
MICR Stands for
Magnetic resonance imaging
Magnetic line cheque reader
Magnetic radio imaging
Magnetic Ink Character Recognition
Which one of the following statement is not correct about function of a compass.
Magnetic needle is used in a compass.
Magnetic needle consists of a tiny pivoted magnet in the form of a pointer
The ends of the compass needle point approximately towards the geographic eastern West direction
Magnetic needle can rotate freely in the horizontal plane
Which one of the following statement is true about magnetic materials?
Plastic sir the magnetic materials.
Materials which are not attracted by magnets are called magnetic materials
Magnetic materials can be magnetised to create permanent magnets
Magneticly hard materials are easily magnetized
The strongest and the most powerful magnets on the earth are
ALNICO
Hematite
Neodymium
Electromagnet
The magnetic property of the magnet will not be removed from it by the following way
Passing a variable current in a coil that enclose the magnet
Heating a magnet to a high temperature
Using the magnet regularly
Placing the magnet ideal for a long time
How many times Earth magnet more powerful than a fridge magnet
30
50
25
20
