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 / pradeep.b
General guid : If voltage reduces then current increases.
A 230 volts rated Bulb can't be operated on 100volts
becuase, when you starts operating a 230 volts rated bulb
in 100 volts, the current increases between 2 to 2.5 times.
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