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प्रश्न
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
विकल्प
True
False
उत्तर
This statement is False.
Correct statement:
Maximum iron filings stick in the poles of a bar magnet when it is brought near them.
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 |
What is a magnet?
State four important properties of a bar magnet?
What is the magnetic induction? Explain with the help of a diagram.
Define the following term regarding a bar magnet:
Magnetic axis
How will you do this?
Determine whether a material is magnetic or non-magnetic.
Which magnet will you use?
A window shutter opens and shuts continuously in the wind.
A magnet remains steady in a ________ direction.
Select the correct option:
The substance which form a strong temporary magnet is:
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
State three important properties of a magnet.
Give scientific reason:
Soft iron is used to make electromagnets.
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
State the laws of magnetism.
A magnet attracts ______.
Observe the pictures A and B given in Fig. 13.1 carefully.
Which of the following statement is correct for the above given pictures?
Match the following:
| 1. | Electricity and magnetism | a. | Step-down transformer |
| 2. | Force on the conductor | b. | Hans Christian Oersted |
| 3. | Electric bell | c. | I LB |
| 4. | Ns <Np | d. | Electromagnet |
Define artificial magnet.
