A current has a fuse of 5 ampere. What is the maximum number 100 watt (200V)bulb which can be safely use in current.
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As each bulb of 200volt and having a power of 100 watt the current required in each bulb will be (100/200)ampere that is 0.5 ampere so for a current of 5ampere 10 bulb of 100 watt can be used.
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