A wire of diameter d = 1 mm is wrapped around a cylindrical core of radius R = 5 cm and length l = 30 cm to build a solenoid. What is the energy stored in this solenoid when a current I = 0.2 A passes through it? A)1.2 × 10^-4 J B)9.6 × 10^-4 J C)4.8 × 10^-4 J D)2.4 × 10^-4 J E)0.6 × 10^-4 J

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The Answer of A wire of diameter d = 1 mm is wrapped around a cylindrical core of radius R = 5 cm and length l = 30 cm to build a solenoid. What is the energy stored in this solenoid when a current I = 0.2 A passes through it? A)1.2 × 10^-4 J B)9.6 × 10^-4 J C)4.8 × 10^-4 J D)2.4 × 10^-4 J E)0.6 × 10^-4 J

A Wire of Diameter D = 1 Mm Is Wrapped