Advertisements
Advertisements
Question
Advertisements
Solution
APPEARS IN
RELATED QUESTIONS
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.
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
What do you understand by the term magnetic field lines?
Sketch four magnetic field lines as obtained in a limited space on a horizontal plane in the earth's magnetic field alone.
Select the correct option:
Nickel is a:
Define the agonic line.
How do you account for the following fact?
Soft iron keepers help to prevent the magnets from losing their magnetic properties.
Draw diagram showing the arrangement of the lines of force for a piece of soft iron laid in line with the magnetic field.
Complete the following diagram of magnets to show the lines of force.
Assertion (A): Magnetic field lines never intersect each other.
Reason (R): If they intersect, then at the point of intersection, the compass needle would point towards two directions, which is not possible.
