| ⇦ | 
| ⇨ |
Copper and carbon wires are connected in series and the combined resistor is kept at 0⁰C. Assuming the combined resistance does not vary with temperature, the ratio of the resistances of carbon and copper wires at 0⁰C is (Temperature coefficients of resistivity of copper and carbon respectively are 4×10⁻³/ ⁰ C and -0.5×10⁻³/ ⁰ C )
Options
(a) 4
(b) 8
(c) 6
(d) 2
Correct Answer:
8
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - If Q, E and W denote respectively the heat added, change in internal energy
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
- The momentum of a photon of energy 1 MeV in kg m/s will be
- In a vessel, the gas is at a pressure P. If the mass of all the molecules
- In which of the processes, does the internal energy of the system remain constant?
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If Q, E and W denote respectively the heat added, change in internal energy
- Light of frequency 8×10¹⁵ Hz is incident on a substance of photoelectric work
- The momentum of a photon of energy 1 MeV in kg m/s will be
- In a vessel, the gas is at a pressure P. If the mass of all the molecules
- In which of the processes, does the internal energy of the system remain constant?
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