diamond des not conduct electricity, because it has no:
free electrons
free protons
free neutrons
free positive charge
For a normal person audible frequency range for sound wave lies between:
10 Hz and 10kHz
20Hz and 20 kHz
25 Hz and 25 kHz
30Hz and 30 kHz
1.6x10-19 J= :
1F
1N
1eV
The direction of electric field lines due to positive charge is:
A way from the charge
Towards the charge
Both a and b
None of these