Question

For same current flowing through a solenoid and a straight conductor the magnetoc field produced by a solenoid is much stronger then the magnetic field produced by a straight current carrying conductor state one reason to justify the statement

Answer 1

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IN A SOLENOID THERE ARE NO. OF TURNS OF WIRE....EACH TURN PRODUCES MAGNETIC FIELD AT THE CENTER.

magnetic field produced at center is straight so.. all the magnetic field produced by each turn get combined to produce strong magnetic field. .

But in case of straight wire only one loop of magnetic field at a point.

HOPE IT WILL HELP YOU

Answer 2

Because as the number of turns increases the magnetic field also increases.

This is because as each turn is having its own magnetic field so as the number of turns increases the magnetic field of all the turns get combined, which results in the increase of magnetic field.