CUET · PHYSICS · PYQ PAPER 2025
Identify the incorrect statement(s) from the following in the context of an electric current flowing through a conductor.
(A) The electrons suffer collisions with heavy fixed ions in the conductor
(B) The resistance of the given conductor depends on its temperature
(C) Resistance and resistivity both depend on the dimensions of the conductor
(D) When a potential difference V is applied across the conductor then V= IR
Choose the correct answer from the options given below:
- A (A) and (C) only
- B (B) only
- C (C) only
- D (B) and (D) only
Answer & Solution
Correct Answer
(A) (A) and (C) only
Step-by-step Solution
Detailed explanation
Resistivity is an intrinsic property of a material and depends only on the nature of the material and temperature; it does not depend on the dimensions (length or area) of the conductor. so the correct option is C-(C) only.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- Which of the following statements are correct?
(A) All mirrors follow the laws of reflection.
(B) The angle between the ray of incidence and the plane surface of the mirror is equal to the angle between the plane surface of mirror and the ray of reflection for plane mirror
(C) the rays coming parallel to the principal axis will go after reflection through the focus of the curved mirror
(D) the rays coming to the pole of a curved mirror making an angle with axis will be reflected making the equal angle with the axis on the other side of the
Choose the correct answer from the options given below:CUET 2025 Easy - An electromagnet has stored 540 J of magnetic energy when a current of 6 A exists in its coil. What is the value of average emf induced, if the current is reduced to zero in 0.54s?CUET 2023 Medium
- If the ratio of mass number of two nuclei is 8 : 27, then the ratio of the volumes of their nuclei is :CUET 2025 Hard
- If the value of the refractive index of a denser medium with respect to the rarer medium is 1.414, then the critical angle is:CUET 2025 Easy
- Six identical cells, each of emf 3 V and internal resistance of r, are connected in series to a \( 3 \text{ } \Omega \) resistance. If the net current flowing in the circuit is 2.0 A. The internal resistance of the cell isCUET 2025 Hard
- In Young's double slit experiment, the ratio of slit widths is 4 : 1. The intensity ratio in the interference pattern would be :CUET 2023 Hard
More PYQs from CUET
- Resistivity of a conductor depends onCUET 2025 Easy
- The value of derivative of the function \(\cot ^{-1}\left\{(\cos 2 x)^{1 / 2}\right\}\) at \(x=\frac{\pi}{6}\) isCUET 2025 Easy
- Two capacitors of capacitances \(8 \mu F\) and \(20 \mu F\) are connected in series with a battery. The voltage across the \(8 \mu F\) capacitor is 5 V . The total battery voltage is:CUET 2023 Medium
- In gel electrophoresis the separated DNA fragments can be visualised:CUET 2023 Hard
- Let \(\vec{a}=2 \hat{i}+3 \hat{j}+2 \hat{k}\) and \(\vec{b}=2 \hat{i}+\hat{j}-2 \hat{k}\). Then a vector of magnitude 24 , which is perpendicular to the vectors \(\vec{a}+\vec{b}\) and \(\vec{a}-\vec{b}\), is:CUET 2023 Hard
- What is the color of Fe3+ (aq) ion?CUET 2025 Easy