Download App

Magnetism — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsMagnetism1 Mark
MCQ
Magnetic lines of force due to a bar magnet do not intersect because
  • ✓
    A point always has a single net magnetic field
  • B
    The lines have similar charges and so repel each other
  • C
    The lines always diverge from a single point
  • D
    The lines need magnetic lenses to be made to intersect
✓

Answer

Correct option: A.
A point always has a single net magnetic field

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Magnetism→Magnetism — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Which of the following rays has the maximum frequency
→
The lines joining the places of the same horizontal intensity are known as
→
A simple pendulum has time period $T$. The bob is given negative charge and surface below it is given positive charge. The new time period will be
→
A loss free transformer has $500$ turns on its primary winding and $2500$ in secondary. The meters of the secondary indicate $200 \mathrm{volts}$ at $8$ amperes under these conditions. The voltage and current in the primary is
→
A block $B$ is placed on block $A$. The mass of block $B$ is less than the mass of block A. Friction exists between the blocks, whereas the ground on which the block $A$ is placed is taken to be smooth. A horizontal force $F$, increasing linearly with time begins to act on $B$. The acceleration $a_A$ and $a_B$ of blocks $A$ and $B$ respectively are plotted against $t$. The correctly plotted graph is
Image
→
Which of the following is incorrect statement regarding photon
→
Two tuning forks have frequencies $380$ and $384 \mathrm{~Hz}$ respectively. When they are sounded together, they produce $4$ beats. After hearing the maximum sound, how long will it take to hear the minimum sound
→
The magnetic field to a small magnetic dipole of magnetic moment $M$, at distance $r$ from the centre on the equatorial line is given by (in M.K.S. system)
→
A uniformly tapering vessel is filled with a liquid of density 900 $kg / m$. The force that acts on the base of the vessel due to the liquid is $\left(g=10 ms ^{-2}\right)$
Image
→
The maximum value of a.c. voltage in a circuit is $707 V$. Its $r m s$ value is
→