Question 1
When an electric current flows through a copper wire AB as shown in Figure, the wire
(a) Deflects a magnetic needle placed near it
(b) Becomes red hot
(c) Gives electric shock
(d) Behaves like a fuse
Complete the following sentences : (a) When current flows in a wire, it creates ..... (b) On reversing 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 rests in ....... direction.
If current flowing through a conductor makes it magnet . Then if current flows through water ,the water behaves like magnet, ??