Write the dimension of magnetic moment.

Important Questions on Magnetic Effect of Electric Current

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 27

The distance between two parallel currents is reduced to half of the original value. What happens to the force between them ?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 28

What is the work done on a charged particle moving in a uniform magnetic field ?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 29

A charged particle moves in a direction that makes an angle $\theta$ with the direction of a uniform magnetic field. Mention the nature of path described by the particle ?

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 30

Sketch the curve showing the variation of magnetic field produced by a circular current carrying coil with distance from its centre along its axis.

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 31

Is $\overrightarrow{B}$ constant in magnitude for points that lie on a given line of induction? 

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 32

 A beam of $20 Mev$ protons emerges from a cyclotron. Is a magnetic field associated with these particles?

HARD

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 33

Sketch the curve to show how magnetic flux density near a long, straight current varies with the distance away from the current.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Physics Class 12>Chapter 8 - Magnetic Effect of Electric Current>MODEL QUESTIONS>Q 34

What physical quantity has the unit $Wb/m^2$? Is it a scalar or a vector quantity?