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Q. Define: current density. Give its unit.
The amount of charge passing per unit time through unit area taken perpendicular to the direction of flow of charge at that point is called current density. It is expressed as Am-2.
For the circuit shown in Figure, calculate the current flowing in the 50Ω load and the voltage drop across the load when (a) XS is 3/5 of XY (b) point S coincides with point
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