Science · Physics
पारंपरिक विद्युत ट्रांसफार्मर का क्रोड (Core) किस सामग्री का बना होता है?
- 1ताँबा
- 2सॉफ्ट आयरन (नरम लोहा)✓
- 3अल्निको
- 4स्टेनलेस स्टील
सही उत्तर देखें
सॉफ्ट आयरन (नरम लोहा)
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