Length of a conducting wire is increased by 100%. The change in the resistance of the wire will be |
|||||||
(a) |
50% |
(b) |
100% |
(c) |
200% |
(d) |
300% |
Length of a conducting wire is increased by 100%. The change in the resistance of the wire will be |
|||||||
(a) |
50% |
(b) |
100% |
(c) |
200% |
(d) |
300% |
Three light bulbs of 40W, 60W and 100 W are connected in series with 220 volt source. Which of the bulbs will grow brightest? |
|||
(a) |
60 W |
(b) |
40 W |
(c) |
100 W |
(d) |
All with same brightness |
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