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CBSE Class 10 Science Exam 2014 Term 1 Paper

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Question : 2 of 36
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A charge of 150 coulomb flows through a wire in one minute. Find the electric current flowing through it.
Solution:  
Charge, Q  =150  CQ \;= 150 \;\mathrm{C}
Time,   t  =1  min=60  st \;= 1 \;\mathrm{min} = 60 \;\mathrm{s}
Current,  I  =  Qt  =  15060=2.5  AI \;=\; \frac{Q}{t} \;=\; \frac{150}{60} = 2.5 \;\mathrm{A}
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