A wire, bent into a circle, carries current in an anticlockwise direction. What polarity does this face of the coil exhibit?

What is the direction of magnetic field at the centre of coil carrying current in (i) clockwise, (ii) anticlockwise direction?

Name one device that uses an electromagnet.

Complete the following sentences:

(a) When current flows in a wire, it creates ……………

(b) On reserving the direction of current in a wire, the magnetic field produced by it gets ……………

(c) A current carrying solenoid behaves like a ……………

(d) A current carrying solenoid when freely suspended, it always rest in …………… direction.