An electric bulb rated for 500 W at 100 V is used in a circuit having a 200 V supply. The resistance 'R' that must kept in series with the bulb so that the bulb draws 500 W is
(a)
(b)
(c)
(d)
An electric bulb rated for 500 W at 100 V is used in a circuit having a 200 V supply. The resistance 'R' that must kept in series with the bulb so that the bulb draws 500 W is
(a)
(b)
(c)
(d)
Question ID - 154456 | SaraNextGen Top Answer
An electric bulb rated for 500 W at 100 V is used in a circuit having a 200 V supply. The resistance 'R' that must kept in series with the bulb so that the bulb draws 500 W is
(a)
(b)
(c)
(d)
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An electric bulb rated for 500 W at 100 V is used in a circuit having a 200 V supply. The resistance 'R' that must kept in series with the bulb so that the bulb draws 500 W is |
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(b) |
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(c) |
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(d) |
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1 Answer
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