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प्रश्न
A magnetic field can pass through ______ and ______.
उत्तर
A magnetic field can pass through cardboard and bottle.
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 the term magnetic field of a magnet. How will you recognize it experimentally?
The shape of the Earth’s magnetic field resembles that of an imaginary ______.
The SI Unit of magnetic field induction is ______.
State whether true or false. If false, correct the statement.
Fleming’s Left hand rule is also known as Dynamo rule.
State Fleming’s Left Hand Rule.
Explain why the ozone layer is not affected by solar wind.
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?