| ⇦ | 
| ⇨ |
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: - A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- C and Si both have same lattice strcture, having 4 bonding electron in each
- When the wave of hydrogen atom comes from infinity into the first orbit,
- A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- C and Si both have same lattice strcture, having 4 bonding electron in each
- When the wave of hydrogen atom comes from infinity into the first orbit,
- A stone is dropped from a height h. It hits the ground with a certain momentum P. If the same stone is dropped from a height 100
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
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