Two electric bulbs, rated at (25 W, 220 V) and (100 W, 220 V), are connected in series across a 220 V voltage source. If the 25 W and 100 W bulbs draw powers P1 and P2 respectively, then:
a. P1=16 W , P2=4 W
b. P1=16 W , P2=9 W
c. P1=9 W , P2=16 W
d. P1=4 W , P2=16 W