In conductors conduction of electricity takes place due to movement of_______________?
(A) electrons only
(B) positive ions only
(C) negative ions only
(D) positive and negative ions
(E) none of the above
In conductors conduction of electricity takes place due to movement of_______________?
(A) electrons only
(B) positive ions only
(C) negative ions only
(D) positive and negative ions
(E) none of the above
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