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Subject :NSO    Class : Class 8

Which of the following statements is/are true?
(i) In a wire, direction of flow of electron is same as direction of current.
(ii) Randomly moving electrons in a metal wire will start moving in a particular direction when a potential difference is applied across it.
(iii) In a cell, electrons move from negative electrode to positive electrode.

A (ii) and (iii) only
B (i) and (ii) only
C (iii) only
D (ii) only


Ans 1:

Class : Class 8

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