MCQ
Serious draw back of the semiconductor device is
- ✓They cannot be used with high voltage
- BThey pollute the environment
- CThey are costly
- DThey do not last for long time
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$A$. hold the sheet there if it is magnetic.
$B$. hold the sheet there if it is non-magnetic.
$C$. move the sheet away from the pole with uniform velocity if it is conducting.
$D$. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.
Choose the correct statement($s$) from the options given below:
If $U$ is the potential energy and $K$ kinetic energy then $|U| > |K|$ at
