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Subjects
Science State Board
Class 9
Electric charge and electric current
Electric charge
7.
Flow of current
Exercise condition:
4
m.
Select the correct
answer:
1
.
Which of the following is correct?
Rate of change of charge is current
Rate of change of energy is current
Rate of change of current is charge
2
.
An ion is formed when an atom _________ electrons.
either receives or loses
always receives
always loses
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