1.

Forty electric bulbs 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 [NCERT 1972; Haryana CEE 1996; DPMT 2001]

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» C.            Equal in both the cases


Discussion

No Comment Found

Related MCQs