A) Current only
B) Current and drift speed
C) Drift speed only
D) Current, electric field and drift speed
Correct Answer: A
Solution :
The state of motion of charge is called electric current. The electric current in a conductor is a characteristic property of that particular conductor. In a non-uniform wire only, current remains constant throughout the wire. Reason being that current is determined from the number of free electrons in the wire which remains constant.
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