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