(a) Define the term ‘coulomb’. (b) State the relationship between the electric current, the charge moving through a conductor and the time of flow. Calculate the charge passing through an electric bulb in 20 minutes if the value of current is 200 mA.
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coloumb the unit of charge
if 1 coloumb of charge passing through any cross section of unit area in 1 second then the amount of current flowing is called 1 ampere
if 1 coloumb of charge passing through any cross section of unit area in 1 second then the amount of current flowing is called 1 ampere
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