MCQ
The resistivity of a wire depends on its
  • A
    Length
  • B
    Area of cross-section
  • C
    Shape
  • Material

Answer

Correct option: D.
Material
d
(d) Resistivity depends only on the material of the conductor.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Which of the following semi-conductor diodes is reverse biased
A $30\,\mu F$ capacitor is charged by a constant current of $30\, mA$. If the capacitor is initially uncharged, how long does it take for the potential difference to reach $400\, V$.....$s$
A bar magnet of magnetic moment $3.0\, A-m^2$ is placed in a uniform magnetic induction field of $2 \times 10^{-5}\, T$. If each pole of the magnet experiences a force of $6 \times 10^{-4} \,N$, the length of the magnet is.....$m$
An alternating $e.m.f$. of angular frequency $\omega $ is applied across an inductance. The instantaneous power developed in the circuit has an angular frequency
Zener breakdown takes place if
A charge (-q) and another charge (+Q) are kept at two points A and B respectively. Keeping the charge (+Q) fixed at B, the charge (-q) at A is moved to another point C such that ABC forms an equilateral triangle of side l. The net work done in moving the charge (-q) is
When an electron in hydrogen atom is excited, from its $4^{\text {th }}$ to $5^{\text {th }}$ stationary orbit, the change in angular momentum of electron is (Planck's constant: $h =6.6 \times 10^{-34} J- s$ )
The half-life of a radioactive substance is $48$ hours. How much time will it take to disintegrate to its $\frac{1}{{16}} \,th$ part ............$hour$
A concave lens made of material of refractive index $1.6$ is immersed in a medium of refractive index $2.0$. The two surfaces of the concave lens have the same radius of curvature $0.2 \,m$. The lens will behave as a
Two point charges $q_1$ and $q_2$ are situated at a distance $d$. There is no such point in between them where the electric field is zero. What can we deduce?