Formulate the right hand rule.

If the thumb of the right hand is positioned so that it indicates the direction of the current in the wire, then the rest of the bent fingers, covering the wire, will indicate the positive direction of the lines of the magnetic field created by the current in this wire.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.