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प्रश्न
MRI stands for _______.
विकल्प
Magnetic Resonance Imaging
Magnetic Running Image
Magnetic Radio Imaging
Magnetic Radar Imaging
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उत्तर
MRI stands for Magnetic Resonance Imaging.
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संबंधित प्रश्न
You are given two similar bars. One is a magnet and the other is of soft iron. How will you distinguish and identify them ?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Select the correct option:
The substance which form a strong temporary magnet is:
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,
Define the following term:
Angle of dip
Give scientific reason:
Soft iron is used to make electromagnets.
With the help of a diagram explain the following:
Magnetisation of steel needle using electric current such that the pointed end should have north polarity.
State the laws of magnetism.
Artificial magnets are made in different shapes such as ______, _____ and _______.
