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Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature 100 W, 60 W and 40 W bulbs have filament resistance R100, R60  and R40 respectively, then the relation between these resistance is

(a)

 =  +

(b)

=  +

(c)

 > >

(d)

 >  >


Question ID - 154416 | Toppr Answer

Incandescent bulbs are designed by keeping in mind that the resistance of their filament increases with the increase in temperature. If at room temperature 100 W, 60 W and 40 W bulbs have filament resistance R100, R60  and R40 respectively, then the relation between these resistance is

(a)

 =  +

(b)

=  +

(c)

 > >

(d)

 >  >

1 Answer - 5876 Votes

3537

Answer Key : (a, c) -

 =  +  ,  > >



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