Jengp2710 Jengp2710 26-02-2024 Mathematics contestada A long solenoid of 50 cm length having 100 turns carries a current of 2.5A. The magnetic field at centre of solenoid is:A. 6.28x1-⁻⁴TB. 3.14x10⁻⁴TC. 6.28x10⁻⁵TD. 3.14x10⁻⁵T