A series circuit with R= 10 2L= 50 mH and C= 100 µF is supplied with 200 V/50 Hz. Find (i) the impedance (ii) current (iii) power (iv) power factor. [(1) 18.94 Q (ii) 18.55 A (iii) 1966 W (iv) 0.53 (1leading)] (Elect. En90. & Electronics Bangalore Uniy.)

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Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.