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A `20 V` 5 watt lamp is used in ac main `220 V` and frequency 50 c.p.s. What pure resistance

A `20 V` 5 watt lamp is used in ac main `220 V` and frequency 50 c.p.s. What pure resistance should be included in place of the above passive elements so that the lamp can run on its rated voltage?

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16 просмотров
2 года назад
12+
16 просмотров
2 года назад

A `20 V` 5 watt lamp is used in ac main `220 V` and frequency 50 c.p.s. What pure resistance should be included in place of the above passive elements so that the lamp can run on its rated voltage?

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