Two wires of different materials, each 2m long and of diameter 2mm, are joined in series to form a composite wire. What force will produce a total extension of 0.9mm. (Y_(1) - 2 xx 10^(11) "pa" & Y_(2) = 6 xx 10^(11) "Pa" )

Two wires of different materials, each 2m long and of diameter 2mm, ar

1.	Two wires of different materials, each 2m long and of diameter 2mm, are joined in series to form a composite wire. What force will produce a total extension of 0.9mm. (Y_(1) - 2 xx 10^(11) "pa" & Y_(2) = 6 xx 10^(11) "Pa" )
Answer» `282.6` N `212` N 319.8 N 382.6 N Answer :B