Science
The pattern of the magnetic field produced inside a current carrying solenoid is:
options
Answer
Reason — Option a is correct answer because inside a current-carrying solenoid, the magnetic field lines are straight, parallel and closely spaced, showing that the field is strong and uniform throughout the solenoid.
Outside the solenoid, the field resembles that of a bar magnet, with lines emerging from one end (north pole) and entering the other (south pole).
Among the given diagrams, the one showing parallel and equally spaced magnetic field lines inside the solenoid corresponds to this pattern.
Related Questions
At what distance from a convex lens should an object be placed to get an image of the same size as that of the object on a screen?
options
- Beyond twice the focal length of the lens.
- At the principal focus of the lens.
- At twice the focal length of the lens.
- Between the optical centre of the lens and its principal focus.
The lens system of human eye forms an image on a light sensitive screen, which is called as :
options
- Cornea
- Ciliary muscles
- Optic nerves
- Retina
Identify the food chain in which the organisms of the second trophic level are missing:
options
- Grass, goat, lion
- Zooplankton, Phytoplankton, small fish, large fish
- Tiger, grass, snake, frog
- Grasshopper, grass, snake, frog, eagle
In which of the following organisms, multiple fission is a means of asexual reproduction?
options
- Yeast
- Leishmania
- Paramoecium
- Plasmodium