A bulb of 220 V and 300 W is connected across 110 V circuit. The percentage reduction in power is |
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a) |
100% |
b) |
25% |
c) |
70% |
d) |
75% |

A bulb of 220 V and 300 W is connected across 110 V circuit. The percentage reduction in power is |
|||||||

a) |
100% |
b) |
25% |
c) |
70% |
d) |
75% |

1 Answer

127 votes

Resistance of bulb, New power, watt reduction Of power |

127 votes

127