[单选题]
If the current flowingv f:jydo3 iupiw ,*b0: t;-v2rygd.8f,eixg rh* ln0h+w2c, sw )cunaw hrough a circuit of constant resistance is doubled, the power dissipaechcfu grw n*wvdx yn2g;lwh8r,s2-,+ia 0) .ted by that circuit will
A. quadruple.
B. double.
C. decrease to one half.
D. decrease to one fourth.
