Question : An electric current is expressed by a unit called:
Option 1: Metre
Option 2: Ampere
Option 3: Watt
Option 4: Joule
Correct Answer: Ampere
Solution : The correct answer is Ampere.
The unit used to express an electric current is the Ampere or A. It bears the name André-Marie Ampère in honour of the French physicist who made advancements in the study of electromagnetics.
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