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प्रश्न
Complete the following diagram of magnets to show the lines of force.
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उत्तर
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संबंधित प्रश्न
State whether the following statement is true of false:
The axis of earth's imaginary magnet and the geographical axis coincide with each other.
Explain why, two magnetic field lines of not intersect each other.
In the straight wire A, current is flowing in the vertically downwards direction whereas in wire B the current is flowing in the vertically upward direction. What is the direction of magnetic field:
(a) in wire A?
(b) in wire B?
Name the rule which you have used to get the answer.
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
What is an artificial magnet? State two reasons why do we need artificial magnets .
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
Define the Isogonic line.
The magnetic field lines always begin from ____________.
If the key in the arrangement is taken out (the circuit is made open) and magnetic field lines are drawn over the horizontal plane ABCD, the lines are
