^Average power consumed
^Average power consumed Average power consumed in an ac circuit is: Paverage = Ev Iv cosΦ Ev Iv → is […]
Entries by kp-web-admin
^Phase difference between I & V
^Phase difference between I & V When ac flows through a (a) pure R, E & I are in phase […]
^Reactance
^Reactance Resistance offered by the L or C current in an ac circuit is called reactance. It is of two […]
^Impedance
^Impedance Net resistance offered by the combination of L, C & R to current in an ac ckt. is called […]
^Current in ac circuits
^Current in ac circuits Let E = E0 sin ωt is the sinusoidal source of emf applied to a circuit. […]
^ac generator
^ac generator Also called dynamos or electric oscillators or commutators is based on EMI. When a metallic – coil is […]
^Sac (Sinusoidal alternating current)
^Sac (Sinusoidal alternating current)
^LC oscillator or tank circuit
^LC oscillator or tank circuit When a charged capacitor is connected to a pure inductor & left for discharging, electromagnetic […]
^Also dimensionally:
^Also dimensionally: Example of LR circuit Let at t = 0, switch S is closed. (a) Just on closing switch […]
^Current in LR – circuit
^Current in LR – circuit An ideal inductor has no ohmic resistance (i.e. R = 0) it has only reactance […]
