Download App

Magnetic Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
MCQ
An ionized gas contains both positive and negative ions. If it is subjected simultaneously to an electric field along the +x direction and a magnetic field along the +z direction, then
  • A
    Positive ions deflect towards +y direction and negative ions towards –y direction
  • B
    All ions deflect towards +y direction
  • ✓
    All ions deflect towards –y direction
  • D
    Positive ions deflect towards –y direction and negative ions towards +y direction
✓

Answer

Correct option: C.
All ions deflect towards –y direction
 All ions deflect towards –y direction

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 Magnetic Effect of Current→Magnetic Effect of Current — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

The resolving power of an astronomical telescope is $0.2\, sec$. If the central half portion of the objective lens is covered, the resolving power will be....$sec$
→
Figure shows a set of equipotential surfaces. The magnitude and direction of electric field that exists in the region is .........
→
Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?
→
A $50 \,mH$ coil carries a current of $2$ ampere. The energy stored in joules is
→
If the speed of light in vacuum is $C$ $m/\sec ,$ then the velocity of light in a medium of refractive index $1.5$
→
Threshold wavelength for photoelectric effect on sodium is 5000 Å. Its work function is
→
$A$ thin slice is cut out of a glass cylinder along a plane parallel to its axis. The slice is placed on a flat glass plate with the curved surface downwards. Monochromatic light is incident normally from the top. The observed interference fringes from this combination do not follow one of the following statements.
→
In case of the electromagnetic waves the angle between the electric and magnetic field vectors is.
→
The angular spread of central maximum, in the diffraction pattern, does not depend on ______.
→
A bar magnet having centre $O$ has a length of $4 $ $cm. $ Point $P_1$ is in the broad side-on and $P_2 $ is in the end side-on position with $OP_1 = OP_2 = 10$ metres. The ratio of magnetic intensities $H$ at $P_1$ and $P_2$ is
→