| ⇦ | 
| ⇨ |
A cell of emf E and internal resistance r supplies current for the same time t through external resistance R₁ and R₂ seperately. If the heat developed in both the cases is the same, then the internal resistance r will be
Options
(a) r=√R₁+R₂
(b) r=√R₁xR₂
(c) r=R₁+R₂/2
(d) r=1/R₁+1/R₂
Correct Answer:
r=√R₁xR₂
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- For a simple pendulum performing simple harmonic motion, the time period
- A particle of unit mass undergoes one-dimensional motion such that its velocity varies
- A thin and circular disc of mass M and radius R is rotating in a horizontal plane
- Two concentric coils each of radius equal to 2π cm are placed at right angles
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
- For a simple pendulum performing simple harmonic motion, the time period
- A particle of unit mass undergoes one-dimensional motion such that its velocity varies
- A thin and circular disc of mass M and radius R is rotating in a horizontal plane
- Two concentric coils each of radius equal to 2π cm are placed at right angles
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply