7. Compare electric and magnetic circuits. Establish the relationship between m motive force, magnetic flux and magnetic reluctance. 8. (a) Discuss the RLC parallel resonant circuit. (b) Explain the constructional details and working principle of a DC Generator the internal and external characteristics. 9. (a) Explain the working of a full wave bridge rectifier. Derive the expression for factor. (b) Describe the working of a NOR gate based R-S flip-flop. What is its limitation does JK flip-flop overcome it?