EASY
12th CBSE
IMPORTANT
Earn 100

Magnetic field lines show the direction at every point which a small magnetised needle takes up at that point. Do the magnetic field lines also represent the 'lines of force' on a moving charged particle at every point?

Important Questions on Magnetism

EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 3
Magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. Why?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 3
If magnetic monopoles existed, how would Gauss' law of magnetism be modified?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 3
Does a bar magnet exert a torque on itself due to its own field? Does one element of a current carrying wire exert a force on another element of the same wire?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 3
Magnetic field arises due to charges in motion. Can a system have magnetic moments even though its net charge is zero?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 3
Magnetic force is always normal to the velocity of a charge and therefore does no work. An iron nail held near a magnet, when released, increases its kinetic energy as it moves to cling to the magnet. What agency is responsible for this increase in kinetic energy if not the magnetic field?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 4
A bar magnet of magnetic moment M is aligned parallel to the direction of a uniform magnetic field B. What is the work done, to turn the magnet, so as to align its magnetic moment: opposite to the field direction?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 4
A bar magnet of magnetic moment M is aligned parallel to the direction of a uniform magnetic field B. What is the work done, to tum the magnet, so as to align its magnetic moment: normal to the field direction?
EASY
12th CBSE
IMPORTANT
New Simplified Physics (Vol 1) For Class 12>Chapter 5 - Magnetism>SHORT ANSWER CONCEPTUAL PROBLEMS>Q 5
A bar magnet is placed in a uniform magnetic field with its magnetic moment making an angle θ with the field. Write an expression for the torque acting on the magnet and hence define its magnetic moment.