A cylindrical solenoid that is 40-cm long generates a uniform magnetic field of strength 1.4 T inside the solenoid when the current is 7.0 A. How many turns of a single coil are present in this solenoid? O a. 32,000 turns b.56,000 turns c. 48,000 turns d. 64,000 turns e. 40,000 turns
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