1.

Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5A.

Answer»

Given: 

Time ‘t’ = 2 hours = 2 × 60 × 60s 

t = 7200s 

I = 2.5A 

Amount of charge, 

Q = I × t 

= 2.5 × 7200 

Q = 18000C



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