Physics, asked by shreyabhadani4, 1 month ago

2. What are magnetic field write the properties of magnetic fields. 3. Draw magnetic field lines around a bar magnet. 4.Explain the principle of electric motor with proper construction.​

Answers

Answered by sohamc060
5

Answer:

2) The properties of magnetic field lines can be summarized by these rules: The direction of the magnetic field is tangent to the field line at any point in space. A small compass will point in the direction of the field line. The strength of the field is proportional to the closeness of the lines.

3) What you'll do:

Place the bar magnet in the middle of the paper. ...

Place the compass at one pole of the magnet and make a dot next to it showing the direction the compass arrow points.

Move the compass so that the base of the arrow is at the dot you've just made.

4) Hint:Electric motor uses the principle of magnetic force on a current carrying conductor. The direction of force depends on the direction of current flow and magnetic field. However, we can fix the magnetic field and create torque on a loop depending on the current flow. That is how electric motors are constructed.

Explanation:

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