MCQ
Which is the best conductor of electricity?
  • A
    Iron
  • Silver
  • C
    Copper
  • D
    Carbon

Answer

Correct option: B.
Silver
Silver is the best conductor of electricity because it contains maximum number of free electrons.
Also the resistance of silver is very low.

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

If an electron revolves in the path of a circle of radius of $0.5 × 10^{-10}\, m$ at frequency of $5 × 10^{15}$ $cycles/s$ the electric current in the circle is ..................$mA$ (Charge of an electron $=1.6 × 10^{-19}\, C$ )
In hydrogen atom, the electron makes $6.6 \times 10^{15}$ revolutions per second around the nucleus in an orbit of radius $0.5 \times 10^{-10}m$. It is equivalent to a current nearly
A square loop of area $25\,cm ^2$ has a resistance of $10\,\Omega$. The loop is placed in uniform magnetic field of magnitude $40.0 T$. The plane of loop is perpendicular to the magnetic field. The work done in pulling the loop out of the magnetic field slowly and uniformly in $1.0 sec$, will be $..........\times 10^{-3}$
When $2 $ $amperes$ current is passed through a tangent galvanometer, it gives a deflection of $30^o$. For $60^o$ deflection, the current must be........$amp$
There will be no force between two wires carrying currents if currents are:
An electric line of force in the $x y^{-}$plane is given by equation $x^2+y^2=1$. A particle with unit positive charge, initially at rest at the point $x=1, y=0$ in the $x y^{-}$plane.
An object is placed 12 cm to the left of a converging lens of focal length 8 cm. Another converging lens of 6 cm focal length is placed at a distance of 30 cm to the right of the first lens. The second lens will produce
The de Broglie wavelength of an electron moving with kinetic energy of $144 \;eV$ is nearly
When charged particle enters-a uniform magnetic field, its $K.E:$
If a classroom door is open just a small amount, we can hear sounds coming from the room but we can't see what is going on inside the room because