Magnetic field due to currentHard
Question
An electron revolving with speed V in any orbit of radius ′r′ then value of current is :-
Options
A.
B.
C.eV × 2πr
D.
More Magnetic field due to current Questions
Two particles X and Y having equal charges, after being acceleration through the same potential difference, enter a regi...Equal current i is flowing in three infinitely long wires along positive x, y and z directions. The magnitude of magneti...If the permeability of iron piece is 3 × 10-3 Wb/A-m and intensity of magnetising field of iron piece is 120 A/m, t...A long straight metal rod has a very long hole of radius ′a′ drilled parallel to the rod axis as shown in th...A charge particle is released from rest in a region of steady and uniform electric amd magnetic fields which are paralle...