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प्रश्न
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
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उत्तर
In (a) The North Pole of two magnets is facing each other. So, the field lines will be
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संबंधित प्रश्न
Fill in the following blank with suitable words:
The earth's magnetic field is rather like that of a .......... magnet with its .......... pole in the northern hemisphere.
The shape of the earth's magnetic field resembles that of an imaginary:
(a) U-shaped magnet
(b) Straight conductor carrying current
(c) Current-carrying circular coil
(d) Bar magnet
The figure given below shows the magnetic field between two magnets:
Copy the diagram and label theother poles of the magnets.
Which is the weaker magnet?
A portable radio has a built-in transformer so that it can work from the mains instead of batteries. Is this a set-up or step down transformer?
Complete the following diagram of magnets to show the lines of force.
Distinguish between
Magnetic properties of iron and steel.
Magnetic lines of force never ______ each other.
The direction of the magnetic lines around a current-carrying conductor can be easily understood using the ______ rule.
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)
