Power dissipated across the 80 resistor in the circuit shown here is 2 watt. The power dissipated in watt units across the 30 resistor is
(a) 1.0
(b) 0.5
(c) 3.0
(d) 2.0
Amit Saxena , 12 Years ago
Grade upto college level
IIT JEE Entrance Exam> power-dissipated...
1 AnswersAditi Chauhan
(c)
Power = V. I = 12R
Potential over 80 = Ri2 = 8 ×0.5 = 4V
This is the potential over parallel branch.
So,
Power of 3W = i1\2R = 1 × 1 × 3 = 3W
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Other Related Questions on iit jee entrance exam
Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-
Let S={x:x belongs to R(√3+√2)^(x^2-4) - (√3-√2)^(x^2-4)=10}. Then n(S) is equal to-
iit jee entrance exam
1 Answer Available
Last Activity: 7 Months ago
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
My rank is 29k, General, should I opt for any state college cse branch or some Nits in which in which I am getting ECE , chemical, mechanics etc....
iit jee entrance exam
1 Answer Available
Last Activity: 3 Years ago
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
How is Ranquer Eduzone,comparing, Akash,Fitjee,Resonance,Naryana
iit jee entrance exam
1 Answer Available
Last Activity: 3 Years ago
Can class 9th students study syllabus class of 11th
Can class 9th students study syllabus class of 11th
iit jee entrance exam
3 Answers Available
Last Activity: 3 Years ago