| ⇦ | 
| ⇨ |
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: - A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- A ball is projected upwards from the foot of a tower. The ball crosses the top
- If the kinetic energy of the particle is increased to 16 times its previous value
- During an adiabatic process, the pressure of a gas is found to be proportional
- In Young’s double slit experiment with sodium vapour lamp of wavelength
Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ
- A ball is projected upwards from the foot of a tower. The ball crosses the top
- If the kinetic energy of the particle is increased to 16 times its previous value
- During an adiabatic process, the pressure of a gas is found to be proportional
- In Young’s double slit experiment with sodium vapour lamp of wavelength
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