A 2.0 m long solenoid of cross sectional area 1.4 m² and n=300 turns/m carries a current of 4.0 A.What is the energy density in the solenoid? A)0.95 J/m³ B)0.90 J/m³ C)1.1 J/m³ D)0.81 J/m³

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The Answer of A 2.0 m long solenoid of cross sectional area 1.4 m² and n=300 turns/m carries a current of 4.0 A.What is the energy density in the solenoid? A)0.95 J/m³ B)0.90 J/m³ C)1.1 J/m³ D)0.81 J/m³

A 20 M Long Solenoid of Cross Sectional Area 1