Physics
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A 10 cm long solenoid used in an electromagnet has a radius of 1.25 cm. Calculate the stored energy when 160 turns of wire transmit 0.60 A of electric current.
2.27 × 10-3 J
4.50 × 10-3 J
2.84 × 10-5 J
1.14 × 10-4 J