Question
Distinguish between a bar magnet and a solenoid.

Answer

Solenoid:
  1. A solenoid is a rod like structure on which copper wire tightly wrapped
  2. Solenoid need electricity for creating magnetic field around it.
Bar magnet:
  1. It is a rectangular coil which attract the pics of small iron
  2. Bar magnet do not need electricity for creating magnetic Field around it.

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

The optical prescription for a pair of spectacles is:
Right eye: 3.50D, Left eye: 4.00D
  1. Are these lenses thinner at the middle or at the edges?
  2. Which lens has a greater focal length?
  3. Which is the weaker eye?
How do human activities affect the environment?
Why does the size of the atoms progressively become smaller when we move from sodium (Na) to chlorine (Cl) in the third period of the periodic table?
An electric geyser rated at $1500 W, 250 V$ is connected to a $250 V$ line mains. Solve
$i.$ the electric current drawn by it. and the energy consumed by it in $50 h.$
$ii.$ cost of energy consumed if each unit costs $Rs.6.$
Identify the compound X on the basis of the reactions given below. Also, write the name and chemical formulae of A, B and C.
How can ethanol and ethanoic acid be differentiated on the basis of their physical and chemical properties?
Two exactly similar electric lamps are arranged (i) in parallel, and (ii) in series. If the parallel and series combination of lamps are connected to 220V supply line one by one, what will be the ratio of electric power consumed by them?
What is meant by dominant genes and recessive genes? Give one example of each.
The filament of a lamp is 80cm from a screen and a converging lens forms an image of it on a screen, magnified three times. Find the distance of the lens from the filament and the focal length of the lens.
If the length of a wire is halved and its cross-sectional area is doubled, then what would be the resistance of the wire? (Given, initially the resistance of the wire is R)