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?
Answers were Sorted based on User's Feedback
Answer / boopathi
power =current*voltage
100w and 200w pulb are glowing in 230v resrectively.
reduced the current means voltage.also reduced the current .
so more current is take to the 100w bulp.not enough of
cuurent is take the 200w.
Is This Answer Correct ? | 12 Yes | 16 No |
Answer / pravesh
if the bulbs are connected in paralled then both bulbs will
glow equally but is cannected in series the first bulb will
glow brighter , as in series current is always same and but
in parallel circuit voltage is same
Is This Answer Correct ? | 4 Yes | 11 No |
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