Two bulbs rated as 220v-100w and 220v-50w are connected in series with the source .find the ratio of heat produced
Answers
Answered by
1
let 220-100 one be case 1 and 220-50 be case 2,
case 1
power=V.I
I= 2.2 A
Heat.1 = V.I.t = 220× 2.2 A×t = 484t
case 2
power=V.I
I= 4.4 A
Heat.1 = V.I.t = 220v × 4.4A×t = 968t
ratio
case1/case2 = 484t/968t = 1/2
ratio
case 1:case 2 = 1:2
HOPE IT HELPS
case 1
power=V.I
I= 2.2 A
Heat.1 = V.I.t = 220× 2.2 A×t = 484t
case 2
power=V.I
I= 4.4 A
Heat.1 = V.I.t = 220v × 4.4A×t = 968t
ratio
case1/case2 = 484t/968t = 1/2
ratio
case 1:case 2 = 1:2
HOPE IT HELPS
Similar questions