A magnet produces a magnetic field in the space around it, which exerts a force on any other magnet placed in it. Field lines are used to represent a magnetic field. A field line is the path along which a hypo-thetical free north pole would tend to move. The direction of the mag-netic field at a point is given by the direction that a north pole placed at that point would take. Field lines are shown closer where the magnetic field is greater.
a) What is a magnetic field line ?
b) Can two magnetic field lines intersect? Justify.
c) Give two properties of magnetic field lines.
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Answers
Answer:
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Explanation:
Given :
Time taken by mahesh to reach the maket from his house on his cycle is 15 minutes.
The speed of the cycle is 4 m/s.
\;\large\underbrace{\underline{\sf{Understanding\;the\;Concept}}}
UnderstandingtheConcept
In question, We are given the values of time taken and speed of the cycle to reach from ramesh home to market. To find the distance between the ramesh house and market, we have to multiply speed with the time.
To calculate :
The distance between his house and market = ?
Solution :
To find the distance = ?
We know that,
\quad \red{\underline{\boxed{\sf Distance \ = \ Speed \times Time}}}
Distance = Speed×Time
Put the given values in the above formula.
\implies \sf Distance \ = \ 4 \times 15⟹Distance = 4×15
\implies \sf Distance \ = \ 60 \ meters.⟹Distance = 60 meters.
\begin{gathered} \\ \end{gathered}
Now,
Converting meter into kilometres,
\implies \sf 60 \times 60 \ = \ 3600 km⟹60×60 = 3600km
\implies \sf \dfrac {3600}{1000}⟹
1000
3600
\implies \sf 3.6 \ km⟹3.6 km
\begin{gathered} \\ \end{gathered}
\therefore∴ The distance between the ramesh house and market is 3.6 km.