A magnetic needle is suspended first at the earth's n...
A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are
0o and 0o
60o and 60o
90o and 90o
90o and 0o
Correct answer is D
No explanation has been provided for this answer.
In the diagram above, the direction of the force between N and S in the magnetic field is ...
Which of the following pairs of physical quantities is made up of vectors? ...
The resistivity, P, of a material of length l, cross-sectional area A, resistance R, is...
Which of the following is/are not affected by a magnetic field? I. Neutrons II. Cathode rays III....
The internationally agreed system of units(SI) for physical measurements are ...
If the angle between two vector P and Q is Oo, the vectors are said to...