Dr. Sunil Kushwaha Solutions for Chapter: Magnetic Effects Of Electric Current, Exercise 8: Previous Years Questions

If a bar magnet is cut lengthwise into $3$ parts, the total number of poles will be

A compass needle placed just above a wire in which electrons are moving towards west, will point:

By increasing the number of turns in a current carrying coil the intensity of the magnetic field produced by it:

When a charged particle in motion enters into a uniform magnetic field perpendicularly then its

The magnetic field lines inside a long current-carrying solenoid are nearly.

When there is a change in the magnetic field in a closed loop of wire

Which one of the following statements best describes the nature of field lines due to a bar magnet

 Which of the following statements is correct?