2. A long solenoid of 500 turns carrying a current of 3.8 A produces within itself a uniform magneti
問題詳情
2. A long solenoid of 500 turns carrying a current of 3.8 A produces within itself a uniform magnetic flux of 2.0 mWb. What is theself-inductance of the coil? (A) 0.13 H (B) 0.26 H (C) 0.36 H (D) 0.46 H (E) 0.52 H