a bulb of 100W and anather bulb of 200W , rated supply
voltage 230v.when supply voltage is reduced to 100v,which
bulb will give more light? and why with calculation?
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Answer Posted / vasanth
100w bulb will give more light
due to p=v*i, i=v/r.
calculate R value
lighting will related to heat loss
calculate heat generated /100 volt
| Is This Answer Correct ? | 13 Yes | 15 No |
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