Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Current, Resistance and Electricity Drift of Electrons and the Origin of Resistivity
The ratio of the drift velocity to the magnitude of electric field in a conductor is equal to the __________.
1
conductivity of the material
2
mobility of the electrons
3
resistivity of the material
4
More than one of the above
5
None of the above