It is defined as the angle between resultant current and voltage in AC circuit. it is represented by COS PHI In case of a pure resistor, the angle between the voltage and current is equal to zero hence...
Lets say you are standing on a frictionless platform of ice. And you are holding a 10kg bag . You cannot walk on this platform as there is no frction , you will slide. Now lets say you want to move in...
QUESTION Describe schematically the equipotential surfaces corresponding to (i) a constant electric field in the Z-direction, (ii) a field that uniformly increases in magnitude but remains in a constant...