Question

Which statement correctly contrasts a bar magnet and a solenoid?

विकल्प

• A bar magnet is permanent, while a solenoid is temporary.

• Both a bar magnet and a solenoid are temporary.

• A bar magnet is temporary, while a solenoid is permanent.

• Both a bar magnet and a solenoid are permanent.

Answer 1

A bar magnet is permanent, whereas a solenoid's magnetic effect depends on current and is temporary. This is a key difference despite their similar magnetic fields.