Along solenoid having 1000 turns per meter carries a current of 1 A . It has a soft iron core of _ r =1000 . The core is heated beyond the Curie temperature ( T _ C ) . Then

Options

1. AThe H field in the solenoid is nearly unchanged but the B field decreases drastically.
2. BThe H and B fields in the solenoid are nearly unchanged.
3. CThe magnetization in the core reverses direction.
4. DThe magnetization in the core diminishes by a factor of about 10^8