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प्रश्न
Which statement correctly contrasts a bar magnet and a solenoid?
पर्याय
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.
MCQ
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उत्तर
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.
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