CBSE Class 10 - Magnetic Field Videos

• Plssss answer..... Assertion: Magnetic field lines never intersect each other. Reason: If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
• where can i find a video on magnetic field in physics? thanks
• describe an activity to plot the magnetic field around a straight current carrying conductor
• if the current is flowing in the diretioning of magnetic field lines
• what is magnet
• Please answer
  
• What is a positive test charge?
• what is ampere swimming rule
• what is a magnetic field
• With the help of a diagram of experimental setup describe an activity to show that the force acting on a current carrying conductor placed in a magnetic field increases with increase in field strength.

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