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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

(a)

 

(b)

 

(c)

 

(d)

 


Question ID - 154456 | Toppr 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)

 

1 Answer - 5876 Votes

3537

Answer Key : (d) -



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