Magnetism Class 10 MCQ

The S.I. Unit of magnetic pole strength is : 1. Weber 2. Ampere - metre² 3. Ampere - metre 4. Henry

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The M.K.S. Unit of magnetic pole strength, is : 1. Ampere- metre 2. Weber 3. Henry 4. None of these

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The ability to allow the magnetic lines of force to pass through it or to allow itself to be influenced by magnetic field, is : 1. Magnetic pole strength 2. Magnetic permeability 3. Magnetic field 4. None of these

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The law which states that the force of attraction or repulsion between two magnetic poles is directly proportional to the product of their pole strengths and inversely proportional to the square of the distance between them, is : 1. Newton's law 2. Inverse square law 3. Einstein's law 4. None of these

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A magnetic substance among the following, is 1. Iron(Fe) 2. Cobalt (Co) 3. Nickel (Ni) 4. all of these

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A substance which can readily be made into magnet, is : 1. Cobalt (Co) 2. Brass 3. Wood 4. Paper

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A substance which cannot be made into a magnet, is : 1. Iron (Fe) 2. Cobalt (Co) 3. Brass 4. Nickel (Ni)

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The property of magnetism exhibited by magnetic substances has origin in the : 1. Configuration of electrons in atoms or molecules 2. Configuration of protons in atoms or molecules 3. Configuration of neutrons in atoms or molecules 4. All of these.

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A true statement among the following, is : 1. The substances which can be attracted by mag nets are magnetic substances and they can be made into magnets 2. The substances which cannot be attracted by magnets are non-magnetic substances and they cannot be made into magnets. 3. The molecule of a magnetic substance is not same as that of a non-magnetic substance 4. All of these

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A true statement among the following is : 1. Every magnet has two poles N and S. 2. In a magnet, N and S poles exist together as a pair 3. Magnetic poles N and S cannot be separated i.e., isolated magnetic poles do not exist 4. All of these

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