`40` electric bulb are connected in series across a `220 V` supply. After one bulb is fused the remaining `39` are connected again in series across the same supply. The illumination will be

Options

A. More with 40 bulbs than with 39
B. More with 39 bulbs than with 40
C. Equal in both the cases
D. In the ratio of `49^2 : 39^2`

Answer

B

Explanation

When 1 bulb fuses, the total resistance decreases and current increase, since, `P = i^(2)R` (illumination increases).