Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Two electrical bulbs marked 40 W, 220 V and 60W, 220 V when connected in series across same voltage supply of 220 V, the effective power is `P_1` and when connected in parallel, the effective power is `P_2`. Then `(P_1/P_2)` is - Sarthaks eConnect

Two electrical bulbs marked 40 W, 220 V and 60W, 220 V when connected in series across same voltage supply of 220 V, the effective power is `P_1` and when connected in parallel, the effective power is `P_2`. Then `(P_1/P_2)` is:

Two electrical bulbs marked 40 W, 220 V and 60W, 220 V when connected in series across same voltage supply of 220 V, the effective power is `P_1` and when connected in parallel, the effective power is `P_2`. Then `(P_1/P_2)` is:

A.

0.5

B.

0.48

C.

0.24

D.

0.16