Maxwell's Equations for Time Varying Field
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Upto last chapter, our discussion is restricted to static field, the field which is not changing with time. In static field, the electric and magnetic fields are independent of each other. Thus electrostatics and magnetostatics are two independent branches. But in time varying field, they are related with each other, a time varying electric field necessarily involves a corresponding time varying magnetic field. So Dynamics involves time varying fields induced by time varying sources. In this chapter we shall derive the Maxwell’s equation for time varying field.