MCQ
A strong magnetic field is applied on a stationary electron, then
- AThe electron moves in the direction of the field
- BThe electron moves in an opposite direction
- ✓The electron remains stationary
- DThe electron starts spinning
✓
Answer
Correct option: C.
The electron remains stationary
c
(c) Magnetic force acts on a moving charge.
(c) Magnetic force acts on a moving charge.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The maximum distance upto which $TV$ transmission from a $TV$ tower of height $h$ can be received is proportional to
→In the diagram, a ray is passing through a broken prism, find angular deviation for the ray
A Hydrogen atom and a $L{i^{ + + }}$ ion are both in the second excited state. If ${l_H}$ and ${l_{Li}}$ are their respective electronic angular momenta, and ${E_H}$ and ${E_{Li}}$ their respective energies, then
→The figure shows a hollow hemisphere of radius $R$ in which two charges $3q$ and $5q$ are placed symmetrically about the centre $O$ on the planar surface. The electric flux over the curved surface is
→If the momentum of an electron is changed by $\Delta P,$ then the de Broglie wavelength associated with it changes by $0.5\%.$ The initial momentum of electron will be
→A short magnet oscillates with a time period $0.1\, s$ at a place where horizontal magnetic field is $24\,\mu T.$ A downward current of $18 \,A$ is established in a vertical wire $20 \,cm$ east of the magnet. The new time period of oscillator
→The energy band diagrams for three semiconductor samples of silicon are as shown. We can then assert that
Two coherent sources have intensity in the ratio of $\frac{{100}}{1}$. Ratio of (intensity) max/(intensity) min is
→The cathode of a photoelectric cell is changed such that the work function changes from $W_1$ to $W_2\left(W_2>W_1\right)$. If the current before and after change are $\mathrm{I}_1$ and $\mathrm{I}_2$, all other conditions remaining unchanged, then (assuming $\mathrm{hn}>\mathrm{W}_2$ )
→The minimum deviation produced by a hollow prism filled with a certain liquid is found to be $30^o $. The light ray is also found to be refracted at angle of $30^o $. The refractive index of the liquid is
→