1.

Statement I : the power consumedwould be 50 wby each of tow200 v -100 w lamps ,when their series combinationis driven by apotential difference of 200 V . Staement II : if P is the power consumed bya series com - bination of some electrical devicesof power P_(1),P_(2),P_(3),.....,"then " , (1)/(P)=(1)/P_(1)+(1)/P_(2)+(1)/P_(3)+...

Answer»

Statement I is true , Statement II is true , Statement II is a correct explanation for Statement I
StatementI is true , STATEMENTII is true , Statementis not a correct explanation for statement I
StatementI is true , StatementII is false
StatementI is false , StatementII is true

ANSWER :D


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