Question
Which among the following is not attracted by magnets?

Answer

  1. Copper
Explanation:
A magnet is a material that has both attractive and directive properties. It attracts small pieces of iron, nickel, cobalt, etc. This property of attraction is called magnetism. Going by this criteria, copper is not attracted by magnets.

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

12 cells each having same emf are connected in series with some cells wrongly connected. The arrangement is connected in series with an ammeter and two cells which are in series. Current is 3 A when cells and battery aid each other and is 2 A when cells and battery oppose each other. The number of cells wrongly connected is(a) 4 (b) 1(c) 3  (d) 2
       
Consider a current carrying wire (current I) in the shape of a circle.
The electrical circuit used to get smooth dc output from a rectifier circuit is called(a) Oscillator(b) Filter(c) Amplifier(d) Logic gates
       
An electron $($charge $=1.6 \times 10^{-19}$ coulomb$)$ is moving in a circle of radius $5.1 \times 10^{-11} \mathrm{~m}$ at a frequency of $6.8 \times 10^{15}$ revolutions $/ \mathrm{sec}$. The equivalent current is approximately
If the current is doubled, the deflection is also doubled in(a) A tangent galvanometer(b) A moving coil galvanometer(c) Both (a) and (b)(d) None of these
   
   
An electric dipole of moment $p$ is placed at the origin along the $x-$axis. The electric field at a point $P$, whose position vector makes an angle $\theta$ with the $x -$axis, will make an angle with the $x -$axis, where $\tan \alpha=\frac{1}{2} \tan \theta$
As the temperature of hot junction of a thermo‑couple is increased (while cold junction is at constant temperature), the thermo e.m.f.(a) Increases uniformly at constant rate(b) Increases slowly in the beginning and more rapidly at higher temperatures(c) Increases more rapidly in the beginning but less rapidly at higher temperatures(d) In minimum at neutral temperature
 
 
 
 
A barometer kept in an elevator accelerating upward reads 76cm. The air pressure in the elevator is
  1. 76cm.
  2. < 76cm.
  3. > 76cm.
  4. zero.
An object is placed at a distance u from a simple microscope of focal length f. The angular magnification obtained depends:
  1. On f but not on u.
  2. On u but not on f.
  3. On f as well as u.
  4. Neither on f nor on u.
 Pick out the correct increasing order of energy of electromagnetic waves from the following: