Class 12 NEET Physics Current Electricity Questions Part 1
© examsiri.com
Question : 29 of 100
Marks:
+1,
-0
The mean free path of electrons in a metal is 4 × 10 − 8 m.The electric field which can give on an average 2 eV energy to an electron in the metal will be in units V/m
(2009)
Go to Question: