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प्रश्न
The shape of the Earth’s magnetic field resembles that of an imaginary ______.
विकल्प
U-shaped magnet
straight conductor carrying current
solenoid coil
bar magnet
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उत्तर
The shape of the Earth’s magnetic field resembles that of an imaginary bar magnet.
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संबंधित प्रश्न
List three sources of magnetic fields.
The three diagrams in the following figure show the lines of force (field lines) between the poles of two magnets. Identify the poles A, B, C, D, E and F.
Define magnetic flux density.
By which instrument, the presence of a magnetic field be determined?
Choose the incorrect statement from the following regarding magnetic lines of field
A magnetic field is a ______ quantity.
The magnetic field at a point is ______ to the magnetic field lines.
The magnetic field is a quantity that has magnitude only.
Assertion (A): The work done by a magnetic field on a moving charge is zero.
Reason (R): In a magnetic field force is perpendicular to the velocity.
Draw magnetic field lines produced around a straight current carrying conductor passing through a cardboard. How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the conductor?
