Question

Some statements are given about internal construction of a loudspeaker. Choose the incorrect statement. *
1 point
1)A coil is wound around it and if a current flows through this coil, it also generates magnetic field.
2) The frequency and amplitude of the movement of the coil depends on the variation in the current flowing through the coil.
3) The bell jar is connected to a vacuum pump via a tube.
4) As the coil moves , the conical screen of the loudspeaker which is attached to the coil also moves back and forth​

Answer 1

Answer:

So simple it is the first one that is incorrect

Explanation:

There are no speakers made that work by electricity their circuit requires electricity but they are too strong on their own they don't need electricity and they will not in future too