A magnet was placed on a steel table top. A push was exerted on the magnet to move it horizontally across the table from point A to point B as shown in the diagram below.
Q. Which of the following force(s) must the push overcome so that the magnet moves from point A to point B?
Mini magnetized a metal rod, Y, using a strong magnet. She then put the magnetized rod Y close to a pile of pins and it attracted 12 pins. She wanted to repeat the experiment. However, Mini dropped rod Y three times.
Q. Mini then put rod Y close to the pile of pins again. Which of the following are possible observations she could get?
1. Rod Y could attract less pins.
2. Rod Y could attract more pins.
3. Rod Y could not attract any pins.
4. Rod Y could attract the same number of pins.
Which of the following can be attracted by a magnet?
Freely suspended magnet always comes to rest in the ______ direction
The diagram below shows a simple pendulum facing a magnet XY. Attached to the pendulum is another magnet.
Q. What forces are involved when the pendulum swings from X to Y?
Which of the following is used to make a permanent magnet?
If the north poles of two magnets are placed near one another, there is a:
Look at the diagram carefully.
When the three bar magnets are placed near each other, magnet A and B are attracted to each other but magnet B and C repel each other.
Q. Which of the following diagrams shows the correct poles for Magnet A and Magnet C?
A bar magnet is cut into four pieces. Which of the following observations would be true?
A bar of steel can be permanently magnetized by:
An artificial magnet which is used for finding geographical directions is called:
The surest test for magnetism is:
Shia had four magnets as shown below.
She placed the magnets near a pile of staples and recorded her observation in the table below.
Magnet Distance between magnets and staples (cm) Number of staples attracted
Q. Which of the following about magnet is correct?
Alisha found three objects and wanted to test if they were magnets. She bought a magnet from the school bookshop and placed it next to each of the objects. This is what she observed.
Q. Which of the following object(s) is definitely a magnet?
A student tries to magnetize a short steel rod. Which of the following tests will show that she has succeeded?
There are following numbers of poles in a magnet:
Loadstone is an example of:
The attraction of iron filings by the poles of a magnet is:
The presence of magnetism in a magnet is due to:
An effective length of a magnet is: