Physics, asked by murali14, 10 months ago

Two bulbs have ratings 100W, 220V and 60W , 220 V. Which one has the greater resistance?​

Answers

Answered by shoptorshiMondal
4

Answer:

60w 220 v

Explanation:

use formula on physics electricity class 10

Answered by vipulpratapsingh007
3

Answer:

Explanation:

(1) P1=100 W

V1 = 220 V

________________

P = V×I

P = V × (V/R)

P = V^2/R

________________

100 = (220×220)/R1

R1 = 484 ohm

________________

(2) P2 = 60 W

V2= 220 V

________________

60 = (220×220)/R2

R2 = 806.6 ohm

_______________

Hence R2 is greater than R1

Similar questions