byjusexamprep com formula notes network theory basic concepts current electric current is the time rate of change of charge flow i dq ampere dt charge transferred between time t and ...
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...Byjusexamprep com formula notes network theory basic concepts current electric is the time rate of change charge flow i dq ampere dt transferred between t and q idt sign convention a negative flowing in one direction same as opposite voltage or potential difference energy required to move unit through an element measured volts power it expending absorbing law conservation must be obeyed any circuit algebraic sum at instant zero e p elements passive if not capable delivering then example resistor inductor capacitor active independently called source linear non across are related each other constant coefficient otherwise unidirectional bidirectional when characteristics independent bi directional r l c diode sources also every should obey property but vice versa necessary bilateral conduct from both domain v s ri lohm length conductor resistivity area cross section extension wire n times results increase resistance compression decrease all capacitors except electrolytic which unilateral ...