There is no couple acting when two bar magnets are placed coaxial… - Vidyadip

MCQ

There is no couple acting when two bar magnets are placed coaxially separated by a distance because

A
There are no forces on the poles
B
The forces are parallel and their lines of action do not coincide
C
The forces are perpendicular to each other
✓
The forces act along the same line

✓

Answer

Correct option: D.

The forces act along the same line

The forces act along the same line

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 "M.C.Q (1 Marks)" from Magnetism→Magnetism — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

If a body is charged by rubbing it. Its weight

A nucleus of an element $84^{ X ^{202}}$ emits an a-particle first, a b-particle next and then a gamma photon. The final nucleus formed has an atomic number

Crystal structure of NaCl is

In free space, a particle $A$ of charge $1\,\mu C$ is held fixed at a point $P.$ Another particle $B$ of the same charge and mass $4\,\mu g$ is kept at a distance of $1\,mm$ from $P$. If $B$ is released, then its velocity at a distance of $9\,mm$ from $P$ is [ Take $\frac{1}{{4\pi {\varepsilon _0}}} = 9 \times {10^9}\,N{m^2}{C^{ - 2}}$ ]

Assertion : The resistivity of a semi-conductor increases with temperature.
Reason : The atoms of semi-conductor vibrate with larger amplitude at higher temperatures thereby increasing its resistivity

It two parallel wires carry current in opposite directions:

In a series resonant $LCR$ circuit, the voltage across $R$ is $100\, volts$ and $R = 1 \,k\Omega $ with $C = 2\, \mu F.$ The resonant frequency $\omega$ is $200\, rad/s.$ At resonance the voltage across $L$ is......$V$

The control rod in a nuclear reactor is made of

A magnet is made to oscillate with a particular frequency, passing through a coil as shown in figure. The time variation of the magnitude of $e.m.f$. generated across the coil during one cycle is

Light travels through a glass plate of thickness t and having refractive index n. If c is the velocity of light in vacuum, the time taken by the light to travel this thickness of glass is