Home
Class 8
PHYSICS
Why are magnets with concave shaped pol...

Why are magnets with concave shaped poles used in a D.C. motor? What happens if magnets with flat poles are used in it ?

Text Solution

Verified by Experts

How do the magnetic lines of force passing through the magnetic field change as the shape of the magnet changes ?
How do the magnetic lines forces pass through the magnetic field if the magnetic poles are flat ?
How should the magnetic lines of force pass through a magnetic field to produced more turning effect in an armature ?
Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETISM

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPS ( VERY SHORT ANSWER TYPE QUESTIONS)|32 Videos

  • ELECTROMAGNETISM

    PEARSON IIT JEE FOUNDATION|Exercise TEST YOUR CONCEPS ( SHORT ANSWER TYPE QUESTIONS)|15 Videos

  • ELECTROMAGNETISM

    PEARSON IIT JEE FOUNDATION|Exercise Concept Application (Level 2)|14 Videos

  • ELECTRICITY

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION (Level 3)|10 Videos

  • FORCE AND PRESSURE

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER |37 Videos

Similar Questions

Explore conceptually related problems

What is a magnetic pole ?

Magnetic poles always exist as

What are the two magnetic poles?

SI unit of magnetic pole strength is

Why are magnetic field lines crowded near the poles of the magnet?

Can magnetic poles exist in isolation?

What is not true about poles of a magnet?