What is solenoid? How does a solenoid behave like a bar magnet?

How does a current loop behave like a magnetic dipole?

What is the value of L for a solenoid?

How does a semiconductor behave at 0K?

How does a solenoid behaver like a magnet? Can you determine north and south poles of current carrying solenoid with the help of bar magnet?Explain

A closely wound solenoid of 800 turns and area of cross section 2.5 xx 10^-4 m^2 carries a current of 3.0 A. Explain the sense in which the solenoid acts like a bar magnet. What is its associated magnetic moment?

A closely wound solenoid of 800 turns and area of cross-section 2.5 xx 10^-4 m^2 carries a current of 3.0 A. Explain the sense in which the solenoid acts like a bar magnet. What is its assosciated magnetic moment?

Compare the magnetic fields due to a solenoid and a bar magnet.

What is a toroidal solenoid?