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 / 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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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.
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