Extra Questions – Magnetic Effects of Electric Current – CBSE Class 10 Science

Magnetic Effects of Electric Current  

CBSE Class 10 Science

In-text Question 

  • Why does a compass niddle get deflected when brought near a bar magnet ?
  • List the properties of magnetic field line ?
  • Draw magnetic field line around a bar magnet ? 
  • Why do not two magnetic field lines intersect each other ?
  • Consider a circular loop of wire lying in the plane of the table. Let the current pass through the loop clockwise. Apply the right hand rule to find out the direction of the magnetic field inside and outside the loop.
  • The magnetic field in a given region is uniform. Draw a diagram to represent it.
  • What is the role of the split ring in an electric motor ?
  • What is the principle of an electric motor ?
  • State Framing's left-hand rule ?
  • Explain different ways to Induce current in a coil ?
  • Which sources produce alternating current ?
  • Name some sources of direct current ?
  • State the principle of an electric generator ?
  • An electric oven of 2 KW power rating is operated in a domestic electric circuit (222 V) that has a current rating of 5A. What result do you expect ? explain ?
  • Name two safety measures commonly used in electric circuits and appliances ?
  • What precaution should be taken to avoid the overloading of domestic electric circuits ?  

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