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4. Electricity
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Q1 of 44 Page 85

The resistance of one conducting wire is 10 Ω. How much electric current will flow by connecting it with a batter of 1.5 V?

V = I x R

V = 1.5V & R = 10 Ω


Hence 1.5V = 10 Ω x I


I = 150 mA

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The unit of electric potential difference is ---------

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If the work is to be done to take 3C electric charge from one point to another is 15 J, what will be the potential difference between these two points?

(A) 3 V


(B) 15 V


(C) 5 V


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Questions · 44
4. Electricity
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