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प्रश्न
Draw diagram showing the arrangement of the lines of force for a single magnet.
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उत्तर
Arrangement of the lines of force single magnet:
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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.
Draw a diagram to show the magnetic field lines around a bar magnet.
A magnetic field exerts no force on:
an electrical charge moving perpendicular to its direction
an unmagnetised iron bar
a stationary electric charge
a magnet
What is a natural magnet? State two limitations of a natural magnet.
Explain the following :
The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.
Can two magnetic field lines intersect each other? Give reason to your answer.
A battery can supply a charge of 25 × 104 C. If the current is drawn from battery at the rate of 2.5 A, calculate the time in which battery will discharge completely.
A dry cell can supply a charge of 800 C. If continuous current of 8.0 mA is drawn, calculate the time in which cells will discharge completely.
State any two properties of a magnet.
"Magnetic field is a physical quantity that has both direction and magnitude." How can this statement be proved with the help of magnetic field lines of a bar magnet?
