Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
If you hold a coil of wire next to a magnet, no current will flow in the coil. What else is needed to induce a current?
Explain what you understand by magnetic induction. What role does it play in attraction of a piece of iron by a magnet?
State four properties of magnetic field lines.
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
In following figure, draw at least two magnetic field lines between the two magnets.
(b) 
Define the agonic line.
Draw diagram showing the arrangement of the lines of force for a single magnet.
A charge moving in a magnetic field, in a direction other than the direction of the magnetic field, experiences a force. It is called the ______ force.
Can two magnetic lines of force intersect? Justify your answer:
A closely wounded circular coil of radius 5 cm produces a magnetic field of 37.68 × 10-4 T at its center. The current through the coil is ______ A. [Given, number of turns in the coil is 100 and π = 3.14)
