Physics · Magnetism
एक विशिष्ट अस्थायी विद्युत चुम्बक (electromagnet) में कोर (core) किसका बना होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1कठोर स्टील (Hard steel)
- 2कठोर एल्युमिनियम (Hard aluminum)
- 3नरम तांबा (Soft copper)
- 4नरम लोहा (Soft iron)✓
सही उत्तर देखें
नरम लोहा (Soft iron)
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