Question

2. What will happen to the rotation of armature if we:–(a) increase the number of rectangular turns? (b) increase the magnetic pole strength?(c) decrease the current through armature coil?

Answer 1

Explanation:

Properties of magnetic field lines of force:

(i) Magnetic field lines travel from N-pole of magnet towards 5-pole, outside the magnet and from S-pole to N-pole inside the magnet.

(ii) The strength of magnet/magnetic field is given by how close the field lines are if the field lines are closer magnet is stronger.

(iii) No two magnetic field lines ever intersect each other.

Answer 2

Answer:

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Explanation:

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