so that the bulb delivers 500 W.

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An electric bulb rated for 500W at 100V is used in circuit having 200V supply. What resistance R that must be put in series with the bulb, so that the bulb delivers 500 W.
02
Dec
An electric bulb rated for 500W at 100V is used in circuit having 200V supply. What resistance R that must be put in series with the bulb, so that the bulb delivers 500 W. An electric bulb rated for 500W at 100V is used in circuit having 200V supply. What resistance R that must be [...]
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