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The diagram below shows a current carryi...

The diagram below shows a current carrying loop or a circular coil passing through a sheet of cardboard at the points M and N. The sheet of cardboard is sprinkled uniformly with iron filings.

Draw the pattern of arrangement of the iron filings when current is passed through the loop.

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The diagram below shows a current carrying loop or a circular coil passing through a sheet of cardboard at the points M and N. The sheet of cardboard is sprinkled uniformly with iron filings. Copy the diagram and draw an arrow on the circular coil to show the direction of current flowing through it.

(a) Draw magnetic field lines produced around a current carrying straight conductor passing through a cardboard. Name, state and apply the rule to mark the direction of thers field lines. (b) How will the strength of the magnetic field change when the point where magnetic field is to be determined is moved away from the straight wire carrying constant current? Justify your answer?

A plate composed of welded sheets of aluminium and iron is connected to an electrical circuit as shown in figure. What will happen if a fairly strong current to be passed through the circuit?

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Figure shows a long straight wire carrying current I and a square conducting wire loop of side l, at a distance 'a' from current wire. Both the current wire and loop are in the plane of paper. Find the flux of magnetic filed of current wire, passing through the loop.

Figure shows a long straight wire carrying current , and a square conducting wire loop of side i, at a distance 'a' from current wire. Both the current wire and loop arc in the plane of paper. Find the flux of magnetic field of current wire, passing through the loop.

The magnetic field of a given length of wire carrying a current of a single turn circular coil at centre is B, then its value for two turns for the same wire when same current passing through it is

When a wire is wound around a soft iron bar, and a current is passed through it, the soft iron bar behaves like a magnet.

A circular loop and a square loop are formed from the same wire and the same current is passed through them . Find the ratio of their dipole moments.

The diagram given below shows a solenoid carrying time varying current l= l_(0)t . On the axis of the solenoid, a ring has been placed. The mutual inductance of the ring and the solenoid is M and the self inductance of the ring is L. If the resistance of the ring is R then maximum current which can flow through the ring is

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