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प्रश्न
Tick the most appropriate answer.
The surest test of magnetism is
पर्याय
attraction
repulsion
diffusion
hammering
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उत्तर
repulsion
संबंधित प्रश्न
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
How will you test whether a given rod is made of iron or not?
Describe a simple experiment to illustrate that like poles of two magnets repel each other while the unlike poles attract ?
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
What is a magnet?
What is the magnetic induction? Explain with the help of a diagram.
State if the following statement is true or false. Correct the statement if it is false.
As we move away from a magnet, its attraction power weakens.
Which magnet will you use?
You are lost in a forest.
A magnet remains steady in a ________ direction.
Write the answer in your word.
Write the properties of a magnet.
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
Explain the mechanism by which unmagnetized iron nails get attracted to a magnet when brought near it.
Give scientific reason:
Two steel needles hanging from the lower end of a vertical bar magnet do not hang vertically.
What will happen when we place magnets near cell phones, computers, and DVDs?
