You have two electric lamps having rating 40w ; 220v and 60w ; 220v . Which of the two has a higher resistance ? Give reason for your answer . If these two lamps are connected to a source of 220v, which will glow bhrighter
Answers
Answered by
0
Answer:
Explanation:power=v²/r
Therefore r=v²/power
And hence 40 w bulb have more resistance
Similar questions
Math,
5 months ago
Physics,
5 months ago
English,
10 months ago
Physics,
10 months ago
Social Sciences,
1 year ago