Two bulbs are marked 100 W, 220 V and 50 W, 110 V. Calculate the ratio of their resistances. |
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(a) |
(b) |
(c) |
(d) |

Two bulbs are marked 100 W, 220 V and 50 W, 110 V. Calculate the ratio of their resistances. |
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(a) |
(b) |
(c) |
(d) |

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