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3 years ago

The strength of a magnetic field follows _____.

Physics

2 answers:

ycow [4]3 years ago

8 0

I think its Coulomb's law

Orlov [11]3 years ago

5 0

Answer: The correct answer is "law of poles".

Explanation:

Magnetic field lines: These are the area around the magnet in which the magnetic force can be experienced. The strength of the magnetic field is stronger at the poles of the magnet. It decreases from the poles.

The direction of the magnetic field lines is from north pole to south pole.

Law of poles: The same poles of the magnets repel each other with magnetic force of repulsion between the poles.

The opposite poles of the magnets attract each other with the magnetic force of attraction between the poles.

The strength of the magnetic field does not follow an inverse square law. The force from the magnet decreases faster than an inverse square law because all magnets have two opposite poles and single pole does not exist.

Therefore, The strength of a magnetic field follows law of poles.

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Correct Number Formats Numbers may be entered in several formats - including scientific notation and numerical expressions.

Illusion [34]

Answer:

a. Valid

b. Invalid

c. Invalid

d. Invalid

e. Valid

f. Valid

g. Invalid

Explanation:

Since, it follows all the four rules,

Therefore, this number is Valid

It uses upper case E, instead of lower case e.

Therefore, it is Invalid

It violates third rule for including unit.

Therefore, it is Invalid

It violates the first rule. As, there is a space between 6 and e. While in the example given in question, there is no gap.

Therefore, it is Invalid

Since, it follows all the four rules,

Therefore, this number is Valid

Since, it follows all the four rules,

Therefore, this number is Valid

It violates third rule for including unit.

Therefore, it is Invalid

6 0

3 years ago

When u write on a piece of glass sheet with a piece of chalk , the writing is not clear explain .

svetlana [45]

Becuse your weighting with chalk that has pigment

6 0

3 years ago

An object is placed on a surface. A student tries to apply various combinations of forces on the object. Which pair of forces wi

AVprozaik [17]

Answer:

See Explanation

Explanation:

The question is incomplete, as there are no diagrams or options to provide more information to the question.

The general explanation is as follows:

For the object not to move

(1): The forces acting on the object must opposite each other. i.e. if force A acts at the right (or positive direction), force B will act at the left (or negative direction).

(2) The two forces must be equal.

So, for instance:

If the pair of forces are 5N and 5N in opposite directions, the object wil not move.

However, if one of the forces is greater, the object will move towards the direction of the greater force.

7 0

3 years ago

Does the sun sun traces shortest path across local sky on june solstice

viktelen [127]

The June solstice in the Northern hemisphere is the summer solstice. The June Solstice in the Southern hemisphere is the winter solstice. The summer solstice is equivalent to the longest day while the winter solstice is equivalent to the shortest day. Therefore on the local sky, when is the June solstice we have have the longest day (longest path of sun in the sky) in the Northern hemisphere and the shortest day (shortest path of sun in the sky) in the Southern hemisphere.

7 0

3 years ago

When water in a lake freezes, the ice that forms floats on top of any water that is still liquid. Why does the ice float?

ddd [48]

Answer:

it floats because the lake is cold at that moment so when part of the lake freezes it still remains solid and floats because of the lake and the surrounding of the lake is still cold

5 0

3 years ago