The SI derived unit of electric charge is coulomb, which is defined as an ampere second.
Hope that helps!
Question : A train, 200 metres long, is running at a speed of 54 km/h. The time in seconds that will be taken by the train to cross a 175 metres long bridge is:
Option 1: 12.5
Option 2: 20
Option 3: 25
Option 4: 10
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